Finding the Third Proportional to 55,501.50 and 81,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,501.50 : 81,145.50 = 81,145.50 : x
2. Step 2: Convert to fraction form
   55,501.50/81,145.50 = 81,145.50/x
3. Step 3: Cross multiply
   55,501.50x = 81,145.50 × 81,145.50
4. Step 4: Simplify right side
   55,501.50x = 6,584,592,170.25
5. Step 5: Solve for x
   x = 6,584,592,170.25/55,501.50
6. Step 6: Final answer
   x = 118,638.09