Finding the Third Proportional to 56,829 and 88,242

Step by Step Solution

1. Step 1: Write the proportion equation
   56,829 : 88,242 = 88,242 : x
2. Step 2: Convert to fraction form
   56,829/88,242 = 88,242/x
3. Step 3: Cross multiply
   56,829x = 88,242 × 88,242
4. Step 4: Simplify right side
   56,829x = 7,786,650,564
5. Step 5: Solve for x
   x = 7,786,650,564/56,829
6. Step 6: Final answer
   x = 137,018.96