Finding the Third Proportional to 81,630 and 124,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,630 : 124,861.50 = 124,861.50 : x
2. Step 2: Convert to fraction form
   81,630/124,861.50 = 124,861.50/x
3. Step 3: Cross multiply
   81,630x = 124,861.50 × 124,861.50
4. Step 4: Simplify right side
   81,630x = 15,590,394,182.25
5. Step 5: Solve for x
   x = 15,590,394,182.25/81,630
6. Step 6: Final answer
   x = 190,988.54