Finding the Third Proportional to 58,976 and 91,320

Step by Step Solution

1. Step 1: Write the proportion equation
   58,976 : 91,320 = 91,320 : x
2. Step 2: Convert to fraction form
   58,976/91,320 = 91,320/x
3. Step 3: Cross multiply
   58,976x = 91,320 × 91,320
4. Step 4: Simplify right side
   58,976x = 8,339,342,400
5. Step 5: Solve for x
   x = 8,339,342,400/58,976
6. Step 6: Final answer
   x = 141,402.31