Finding the Third Proportional to 117,747,820,620.50 and 256,806,757,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,747,820,620.50 : 256,806,757,575.50 = 256,806,757,575.50 : x
2. Step 2: Convert to fraction form
   117,747,820,620.50/256,806,757,575.50 = 256,806,757,575.50/x
3. Step 3: Cross multiply
   117,747,820,620.50x = 256,806,757,575.50 × 256,806,757,575.50
4. Step 4: Simplify right side
   117,747,820,620.50x = 65,949,710,736,441,628,164,096
5. Step 5: Solve for x
   x = 65,949,710,736,441,628,164,096/117,747,820,620.50
6. Step 6: Final answer
   x = 560,092,835,594.78