Finding the Third Proportional to 64,805.06 and 87,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,805.06 : 87,092.72 = 87,092.72 : x
2. Step 2: Convert to fraction form
   64,805.06/87,092.72 = 87,092.72/x
3. Step 3: Cross multiply
   64,805.06x = 87,092.72 × 87,092.72
4. Step 4: Simplify right side
   64,805.06x = 7,585,141,659.27
5. Step 5: Solve for x
   x = 7,585,141,659.27/64,805.06
6. Step 6: Final answer
   x = 117,045.51