Finding the Third Proportional to 58,632 and 138,360

Step by Step Solution

1. Step 1: Write the proportion equation
   58,632 : 138,360 = 138,360 : x
2. Step 2: Convert to fraction form
   58,632/138,360 = 138,360/x
3. Step 3: Cross multiply
   58,632x = 138,360 × 138,360
4. Step 4: Simplify right side
   58,632x = 19,143,489,600
5. Step 5: Solve for x
   x = 19,143,489,600/58,632
6. Step 6: Final answer
   x = 326,502.42