Finding the Third Proportional to 117,747,820,620 and 256,806,757,575

Step by Step Solution

1. Step 1: Write the proportion equation
   117,747,820,620 : 256,806,757,575 = 256,806,757,575 : x
2. Step 2: Convert to fraction form
   117,747,820,620/256,806,757,575 = 256,806,757,575/x
3. Step 3: Cross multiply
   117,747,820,620x = 256,806,757,575 × 256,806,757,575
4. Step 4: Simplify right side
   117,747,820,620x = 65,949,710,736,184,819,318,784
5. Step 5: Solve for x
   x = 65,949,710,736,184,819,318,784/117,747,820,620
6. Step 6: Final answer
   x = 560,092,835,594.98