Finding the Third Proportional to 420,428,299.50 and 920,034,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   420,428,299.50 : 920,034,040.50 = 920,034,040.50 : x
2. Step 2: Convert to fraction form
   420,428,299.50/920,034,040.50 = 920,034,040.50/x
3. Step 3: Cross multiply
   420,428,299.50x = 920,034,040.50 × 920,034,040.50
4. Step 4: Simplify right side
   420,428,299.50x = 846,462,635,678,755,584
5. Step 5: Solve for x
   x = 846,462,635,678,755,584/420,428,299.50
6. Step 6: Final answer
   x = 2,013,334,108.78