Finding the Third Proportional to 498,554.50 and 1,087,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,554.50 : 1,087,315.50 = 1,087,315.50 : x
2. Step 2: Convert to fraction form
   498,554.50/1,087,315.50 = 1,087,315.50/x
3. Step 3: Cross multiply
   498,554.50x = 1,087,315.50 × 1,087,315.50
4. Step 4: Simplify right side
   498,554.50x = 1,182,254,996,540.25
5. Step 5: Solve for x
   x = 1,182,254,996,540.25/498,554.50
6. Step 6: Final answer
   x = 2,371,365.61