Finding the Third Proportional to 56,693 and 88,178

Step by Step Solution

1. Step 1: Write the proportion equation
   56,693 : 88,178 = 88,178 : x
2. Step 2: Convert to fraction form
   56,693/88,178 = 88,178/x
3. Step 3: Cross multiply
   56,693x = 88,178 × 88,178
4. Step 4: Simplify right side
   56,693x = 7,775,359,684
5. Step 5: Solve for x
   x = 7,775,359,684/56,693
6. Step 6: Final answer
   x = 137,148.50