Finding the Third Proportional to 498,478 and 1,087,181

Step by Step Solution

1. Step 1: Write the proportion equation
   498,478 : 1,087,181 = 1,087,181 : x
2. Step 2: Convert to fraction form
   498,478/1,087,181 = 1,087,181/x
3. Step 3: Cross multiply
   498,478x = 1,087,181 × 1,087,181
4. Step 4: Simplify right side
   498,478x = 1,181,962,526,761
5. Step 5: Solve for x
   x = 1,181,962,526,761/498,478
6. Step 6: Final answer
   x = 2,371,142.81