Finding the Third Proportional to 83,116.50 and 124,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,116.50 : 124,642.50 = 124,642.50 : x
2. Step 2: Convert to fraction form
   83,116.50/124,642.50 = 124,642.50/x
3. Step 3: Cross multiply
   83,116.50x = 124,642.50 × 124,642.50
4. Step 4: Simplify right side
   83,116.50x = 15,535,752,806.25
5. Step 5: Solve for x
   x = 15,535,752,806.25/83,116.50
6. Step 6: Final answer
   x = 186,915.39