Finding the Third Proportional to 37,769.50 and 55,610

Step by Step Solution

1. Step 1: Write the proportion equation
   37,769.50 : 55,610 = 55,610 : x
2. Step 2: Convert to fraction form
   37,769.50/55,610 = 55,610/x
3. Step 3: Cross multiply
   37,769.50x = 55,610 × 55,610
4. Step 4: Simplify right side
   37,769.50x = 3,092,472,100
5. Step 5: Solve for x
   x = 3,092,472,100/37,769.50
6. Step 6: Final answer
   x = 81,877.50