Finding the Third Proportional to 81,419,412 and 175,593,048

Step by Step Solution

1. Step 1: Write the proportion equation
   81,419,412 : 175,593,048 = 175,593,048 : x
2. Step 2: Convert to fraction form
   81,419,412/175,593,048 = 175,593,048/x
3. Step 3: Cross multiply
   81,419,412x = 175,593,048 × 175,593,048
4. Step 4: Simplify right side
   81,419,412x = 30,832,918,505,930,304
5. Step 5: Solve for x
   x = 30,832,918,505,930,304/81,419,412
6. Step 6: Final answer
   x = 378,692,473.31