Finding the Third Proportional to 498,486 and 1,087,197

Step by Step Solution

1. Step 1: Write the proportion equation
   498,486 : 1,087,197 = 1,087,197 : x
2. Step 2: Convert to fraction form
   498,486/1,087,197 = 1,087,197/x
3. Step 3: Cross multiply
   498,486x = 1,087,197 × 1,087,197
4. Step 4: Simplify right side
   498,486x = 1,181,997,316,809
5. Step 5: Solve for x
   x = 1,181,997,316,809/498,486
6. Step 6: Final answer
   x = 2,371,174.55