Finding the Third Proportional to 498,545 and 1,087,315

Step by Step Solution

1. Step 1: Write the proportion equation
   498,545 : 1,087,315 = 1,087,315 : x
2. Step 2: Convert to fraction form
   498,545/1,087,315 = 1,087,315/x
3. Step 3: Cross multiply
   498,545x = 1,087,315 × 1,087,315
4. Step 4: Simplify right side
   498,545x = 1,182,253,909,225
5. Step 5: Solve for x
   x = 1,182,253,909,225/498,545
6. Step 6: Final answer
   x = 2,371,408.62