Finding the Third Proportional to 611,280 and 1,327,656

Step by Step Solution

1. Step 1: Write the proportion equation
   611,280 : 1,327,656 = 1,327,656 : x
2. Step 2: Convert to fraction form
   611,280/1,327,656 = 1,327,656/x
3. Step 3: Cross multiply
   611,280x = 1,327,656 × 1,327,656
4. Step 4: Simplify right side
   611,280x = 1,762,670,454,336
5. Step 5: Solve for x
   x = 1,762,670,454,336/611,280
6. Step 6: Final answer
   x = 2,883,572.92