Finding the Third Proportional to 209,189,752.50 and 456,045,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,189,752.50 : 456,045,436.50 = 456,045,436.50 : x
2. Step 2: Convert to fraction form
   209,189,752.50/456,045,436.50 = 456,045,436.50/x
3. Step 3: Cross multiply
   209,189,752.50x = 456,045,436.50 × 456,045,436.50
4. Step 4: Simplify right side
   209,189,752.50x = 207,977,440,152,475,520
5. Step 5: Solve for x
   x = 207,977,440,152,475,520/209,189,752.50
6. Step 6: Final answer
   x = 994,204,724.02