Finding the Third Proportional to 498,492 and 1,087,209

Step by Step Solution

1. Step 1: Write the proportion equation
   498,492 : 1,087,209 = 1,087,209 : x
2. Step 2: Convert to fraction form
   498,492/1,087,209 = 1,087,209/x
3. Step 3: Cross multiply
   498,492x = 1,087,209 × 1,087,209
4. Step 4: Simplify right side
   498,492x = 1,182,023,409,681
5. Step 5: Solve for x
   x = 1,182,023,409,681/498,492
6. Step 6: Final answer
   x = 2,371,198.35