Finding the Third Proportional to 7,581,540 and 17,897,442

Step by Step Solution

1. Step 1: Write the proportion equation
   7,581,540 : 17,897,442 = 17,897,442 : x
2. Step 2: Convert to fraction form
   7,581,540/17,897,442 = 17,897,442/x
3. Step 3: Cross multiply
   7,581,540x = 17,897,442 × 17,897,442
4. Step 4: Simplify right side
   7,581,540x = 320,318,430,143,364
5. Step 5: Solve for x
   x = 320,318,430,143,364/7,581,540
6. Step 6: Final answer
   x = 42,249,784.36