Finding the Third Proportional to 37,292 and 72,691

Step by Step Solution

1. Step 1: Write the proportion equation
   37,292 : 72,691 = 72,691 : x
2. Step 2: Convert to fraction form
   37,292/72,691 = 72,691/x
3. Step 3: Cross multiply
   37,292x = 72,691 × 72,691
4. Step 4: Simplify right side
   37,292x = 5,283,981,481
5. Step 5: Solve for x
   x = 5,283,981,481/37,292
6. Step 6: Final answer
   x = 141,692.09