Finding the Third Proportional to 1,098,461.25 and 2,315,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,461.25 : 2,315,020.50 = 2,315,020.50 : x
2. Step 2: Convert to fraction form
   1,098,461.25/2,315,020.50 = 2,315,020.50/x
3. Step 3: Cross multiply
   1,098,461.25x = 2,315,020.50 × 2,315,020.50
4. Step 4: Simplify right side
   1,098,461.25x = 5,359,319,915,420.25
5. Step 5: Solve for x
   x = 5,359,319,915,420.25/1,098,461.25
6. Step 6: Final answer
   x = 4,878,933.98