Finding the Third Proportional to 77,861.06 and 111,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,861.06 : 111,340.50 = 111,340.50 : x
2. Step 2: Convert to fraction form
   77,861.06/111,340.50 = 111,340.50/x
3. Step 3: Cross multiply
   77,861.06x = 111,340.50 × 111,340.50
4. Step 4: Simplify right side
   77,861.06x = 12,396,706,940.25
5. Step 5: Solve for x
   x = 12,396,706,940.25/77,861.06
6. Step 6: Final answer
   x = 159,215.74