Finding the Third Proportional to 36,987.89 and 79,887.52

Step by Step Solution

1. Step 1: Write the proportion equation
   36,987.89 : 79,887.52 = 79,887.52 : x
2. Step 2: Convert to fraction form
   36,987.89/79,887.52 = 79,887.52/x
3. Step 3: Cross multiply
   36,987.89x = 79,887.52 × 79,887.52
4. Step 4: Simplify right side
   36,987.89x = 6,382,015,152.73
5. Step 5: Solve for x
   x = 6,382,015,152.73/36,987.89
6. Step 6: Final answer
   x = 172,543.37