Finding the Third Proportional to 56,922.75 and 81,987.19

Step by Step Solution

1. Step 1: Write the proportion equation
   56,922.75 : 81,987.19 = 81,987.19 : x
2. Step 2: Convert to fraction form
   56,922.75/81,987.19 = 81,987.19/x
3. Step 3: Cross multiply
   56,922.75x = 81,987.19 × 81,987.19
4. Step 4: Simplify right side
   56,922.75x = 6,721,898,914.16
5. Step 5: Solve for x
   x = 6,721,898,914.16/56,922.75
6. Step 6: Final answer
   x = 118,088.09