Finding the Third Proportional to 56,922 and 85,566

Step by Step Solution

1. Step 1: Write the proportion equation
   56,922 : 85,566 = 85,566 : x
2. Step 2: Convert to fraction form
   56,922/85,566 = 85,566/x
3. Step 3: Cross multiply
   56,922x = 85,566 × 85,566
4. Step 4: Simplify right side
   56,922x = 7,321,540,356
5. Step 5: Solve for x
   x = 7,321,540,356/56,922
6. Step 6: Final answer
   x = 128,624.09