Finding the Third Proportional to 991,740 and 1,572,499

Step by Step Solution

1. Step 1: Write the proportion equation
   991,740 : 1,572,499 = 1,572,499 : x
2. Step 2: Convert to fraction form
   991,740/1,572,499 = 1,572,499/x
3. Step 3: Cross multiply
   991,740x = 1,572,499 × 1,572,499
4. Step 4: Simplify right side
   991,740x = 2,472,753,105,001
5. Step 5: Solve for x
   x = 2,472,753,105,001/991,740
6. Step 6: Final answer
   x = 2,493,348.16