Finding the Third Proportional to 986,454 and 1,336,788

Step by Step Solution

1. Step 1: Write the proportion equation
   986,454 : 1,336,788 = 1,336,788 : x
2. Step 2: Convert to fraction form
   986,454/1,336,788 = 1,336,788/x
3. Step 3: Cross multiply
   986,454x = 1,336,788 × 1,336,788
4. Step 4: Simplify right side
   986,454x = 1,787,002,156,944
5. Step 5: Solve for x
   x = 1,787,002,156,944/986,454
6. Step 6: Final answer
   x = 1,811,541.30