Finding the Third Proportional to 452,086.50 and 619,902

Step by Step Solution

1. Step 1: Write the proportion equation
   452,086.50 : 619,902 = 619,902 : x
2. Step 2: Convert to fraction form
   452,086.50/619,902 = 619,902/x
3. Step 3: Cross multiply
   452,086.50x = 619,902 × 619,902
4. Step 4: Simplify right side
   452,086.50x = 384,278,489,604
5. Step 5: Solve for x
   x = 384,278,489,604/452,086.50
6. Step 6: Final answer
   x = 850,010.98