Finding the Third Proportional to 487,376 and 1,086,815

Step by Step Solution

1. Step 1: Write the proportion equation
   487,376 : 1,086,815 = 1,086,815 : x
2. Step 2: Convert to fraction form
   487,376/1,086,815 = 1,086,815/x
3. Step 3: Cross multiply
   487,376x = 1,086,815 × 1,086,815
4. Step 4: Simplify right side
   487,376x = 1,181,166,844,225
5. Step 5: Solve for x
   x = 1,181,166,844,225/487,376
6. Step 6: Final answer
   x = 2,423,522.79