Finding the Third Proportional to 19,838,304 and 42,057,360

Step by Step Solution

1. Step 1: Write the proportion equation
   19,838,304 : 42,057,360 = 42,057,360 : x
2. Step 2: Convert to fraction form
   19,838,304/42,057,360 = 42,057,360/x
3. Step 3: Cross multiply
   19,838,304x = 42,057,360 × 42,057,360
4. Step 4: Simplify right side
   19,838,304x = 1,768,821,530,169,600
5. Step 5: Solve for x
   x = 1,768,821,530,169,600/19,838,304
6. Step 6: Final answer
   x = 89,161,932.90