Finding the Third Proportional to 80,960,292 and 173,491,272

Step by Step Solution

1. Step 1: Write the proportion equation
   80,960,292 : 173,491,272 = 173,491,272 : x
2. Step 2: Convert to fraction form
   80,960,292/173,491,272 = 173,491,272/x
3. Step 3: Cross multiply
   80,960,292x = 173,491,272 × 173,491,272
4. Step 4: Simplify right side
   80,960,292x = 30,099,221,460,177,984
5. Step 5: Solve for x
   x = 30,099,221,460,177,984/80,960,292
6. Step 6: Final answer
   x = 371,777,580.30