Finding the Third Proportional to 19,972,542 and 43,030,398

Step by Step Solution

1. Step 1: Write the proportion equation
   19,972,542 : 43,030,398 = 43,030,398 : x
2. Step 2: Convert to fraction form
   19,972,542/43,030,398 = 43,030,398/x
3. Step 3: Cross multiply
   19,972,542x = 43,030,398 × 43,030,398
4. Step 4: Simplify right side
   19,972,542x = 1,851,615,152,038,404
5. Step 5: Solve for x
   x = 1,851,615,152,038,404/19,972,542
6. Step 6: Final answer
   x = 92,708,036.47