Finding the Third Proportional to 991,024 and 2,174,528

Step by Step Solution

1. Step 1: Write the proportion equation
   991,024 : 2,174,528 = 2,174,528 : x
2. Step 2: Convert to fraction form
   991,024/2,174,528 = 2,174,528/x
3. Step 3: Cross multiply
   991,024x = 2,174,528 × 2,174,528
4. Step 4: Simplify right side
   991,024x = 4,728,572,022,784
5. Step 5: Solve for x
   x = 4,728,572,022,784/991,024
6. Step 6: Final answer
   x = 4,771,400.11