Finding the Third Proportional to 155,856,568.50 and 338,840,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,856,568.50 : 338,840,806.50 = 338,840,806.50 : x
2. Step 2: Convert to fraction form
   155,856,568.50/338,840,806.50 = 338,840,806.50/x
3. Step 3: Cross multiply
   155,856,568.50x = 338,840,806.50 × 338,840,806.50
4. Step 4: Simplify right side
   155,856,568.50x = 114,813,092,149,570,448
5. Step 5: Solve for x
   x = 114,813,092,149,570,448/155,856,568.50
6. Step 6: Final answer
   x = 736,658,668.00