Finding the Third Proportional to 147,566,821.50 and 220,536,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,566,821.50 : 220,536,931.50 = 220,536,931.50 : x
2. Step 2: Convert to fraction form
   147,566,821.50/220,536,931.50 = 220,536,931.50/x
3. Step 3: Cross multiply
   147,566,821.50x = 220,536,931.50 × 220,536,931.50
4. Step 4: Simplify right side
   147,566,821.50x = 48,636,538,155,435,696
5. Step 5: Solve for x
   x = 48,636,538,155,435,696/147,566,821.50
6. Step 6: Final answer
   x = 329,589,928.56