Finding the Third Proportional to 36,120 and 53,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,120 : 53,869.50 = 53,869.50 : x
2. Step 2: Convert to fraction form
   36,120/53,869.50 = 53,869.50/x
3. Step 3: Cross multiply
   36,120x = 53,869.50 × 53,869.50
4. Step 4: Simplify right side
   36,120x = 2,901,923,030.25
5. Step 5: Solve for x
   x = 2,901,923,030.25/36,120
6. Step 6: Final answer
   x = 80,341.17