Finding the Third Proportional to 110,780,559.50 and 256,436,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,780,559.50 : 256,436,949.50 = 256,436,949.50 : x
2. Step 2: Convert to fraction form
   110,780,559.50/256,436,949.50 = 256,436,949.50/x
3. Step 3: Cross multiply
   110,780,559.50x = 256,436,949.50 × 256,436,949.50
4. Step 4: Simplify right side
   110,780,559.50x = 65,759,909,068,865,552
5. Step 5: Solve for x
   x = 65,759,909,068,865,552/110,780,559.50
6. Step 6: Final answer
   x = 593,605,135.83