Finding the Third Proportional to 58,680 and 83,610

Step by Step Solution

1. Step 1: Write the proportion equation
   58,680 : 83,610 = 83,610 : x
2. Step 2: Convert to fraction form
   58,680/83,610 = 83,610/x
3. Step 3: Cross multiply
   58,680x = 83,610 × 83,610
4. Step 4: Simplify right side
   58,680x = 6,990,632,100
5. Step 5: Solve for x
   x = 6,990,632,100/58,680
6. Step 6: Final answer
   x = 119,131.43