Finding the Third Proportional to 5,427,168 and 8,439,528

Step by Step Solution

1. Step 1: Write the proportion equation
   5,427,168 : 8,439,528 = 8,439,528 : x
2. Step 2: Convert to fraction form
   5,427,168/8,439,528 = 8,439,528/x
3. Step 3: Cross multiply
   5,427,168x = 8,439,528 × 8,439,528
4. Step 4: Simplify right side
   5,427,168x = 71,225,632,862,784
5. Step 5: Solve for x
   x = 71,225,632,862,784/5,427,168
6. Step 6: Final answer
   x = 13,123,904.19