Finding the Third Proportional to 68,155,903.50 and 146,704,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,155,903.50 : 146,704,429.50 = 146,704,429.50 : x
2. Step 2: Convert to fraction form
   68,155,903.50/146,704,429.50 = 146,704,429.50/x
3. Step 3: Cross multiply
   68,155,903.50x = 146,704,429.50 × 146,704,429.50
4. Step 4: Simplify right side
   68,155,903.50x = 21,522,189,634,920,472
5. Step 5: Solve for x
   x = 21,522,189,634,920,472/68,155,903.50
6. Step 6: Final answer
   x = 315,778,803.15