Finding the Third Proportional to 81,419,442 and 175,593,108

Step by Step Solution

1. Step 1: Write the proportion equation
   81,419,442 : 175,593,108 = 175,593,108 : x
2. Step 2: Convert to fraction form
   81,419,442/175,593,108 = 175,593,108/x
3. Step 3: Cross multiply
   81,419,442x = 175,593,108 × 175,593,108
4. Step 4: Simplify right side
   81,419,442x = 30,832,939,577,099,664
5. Step 5: Solve for x
   x = 30,832,939,577,099,664/81,419,442
6. Step 6: Final answer
   x = 378,692,592.58