Finding the Third Proportional to 3,658,428 and 5,434,597

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,428 : 5,434,597 = 5,434,597 : x
2. Step 2: Convert to fraction form
   3,658,428/5,434,597 = 5,434,597/x
3. Step 3: Cross multiply
   3,658,428x = 5,434,597 × 5,434,597
4. Step 4: Simplify right side
   3,658,428x = 29,534,844,552,409
5. Step 5: Solve for x
   x = 29,534,844,552,409/3,658,428
6. Step 6: Final answer
   x = 8,073,097.12