Finding the Third Proportional to 55,985.50 and 82,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,985.50 : 82,344.50 = 82,344.50 : x
2. Step 2: Convert to fraction form
   55,985.50/82,344.50 = 82,344.50/x
3. Step 3: Cross multiply
   55,985.50x = 82,344.50 × 82,344.50
4. Step 4: Simplify right side
   55,985.50x = 6,780,616,680.25
5. Step 5: Solve for x
   x = 6,780,616,680.25/55,985.50
6. Step 6: Final answer
   x = 121,113.80