Finding the Third Proportional to 991,738 and 1,572,496

Step by Step Solution

1. Step 1: Write the proportion equation
   991,738 : 1,572,496 = 1,572,496 : x
2. Step 2: Convert to fraction form
   991,738/1,572,496 = 1,572,496/x
3. Step 3: Cross multiply
   991,738x = 1,572,496 × 1,572,496
4. Step 4: Simplify right side
   991,738x = 2,472,743,670,016
5. Step 5: Solve for x
   x = 2,472,743,670,016/991,738
6. Step 6: Final answer
   x = 2,493,343.68