Finding the Third Proportional to 83,107.50 and 124,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,107.50 : 124,630.50 = 124,630.50 : x
2. Step 2: Convert to fraction form
   83,107.50/124,630.50 = 124,630.50/x
3. Step 3: Cross multiply
   83,107.50x = 124,630.50 × 124,630.50
4. Step 4: Simplify right side
   83,107.50x = 15,532,761,530.25
5. Step 5: Solve for x
   x = 15,532,761,530.25/83,107.50
6. Step 6: Final answer
   x = 186,899.64