Finding the Third Proportional to 447,604.50 and 915,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   447,604.50 : 915,892.50 = 915,892.50 : x
2. Step 2: Convert to fraction form
   447,604.50/915,892.50 = 915,892.50/x
3. Step 3: Cross multiply
   447,604.50x = 915,892.50 × 915,892.50
4. Step 4: Simplify right side
   447,604.50x = 838,859,071,556.25
5. Step 5: Solve for x
   x = 838,859,071,556.25/447,604.50
6. Step 6: Final answer
   x = 1,874,107.77