Finding the Third Proportional to 557,606 and 1,187,140

Step by Step Solution

1. Step 1: Write the proportion equation
   557,606 : 1,187,140 = 1,187,140 : x
2. Step 2: Convert to fraction form
   557,606/1,187,140 = 1,187,140/x
3. Step 3: Cross multiply
   557,606x = 1,187,140 × 1,187,140
4. Step 4: Simplify right side
   557,606x = 1,409,301,379,600
5. Step 5: Solve for x
   x = 1,409,301,379,600/557,606
6. Step 6: Final answer
   x = 2,527,414.30