Finding the Third Proportional to 56,850 and 88,980

Step by Step Solution

1. Step 1: Write the proportion equation
   56,850 : 88,980 = 88,980 : x
2. Step 2: Convert to fraction form
   56,850/88,980 = 88,980/x
3. Step 3: Cross multiply
   56,850x = 88,980 × 88,980
4. Step 4: Simplify right side
   56,850x = 7,917,440,400
5. Step 5: Solve for x
   x = 7,917,440,400/56,850
6. Step 6: Final answer
   x = 139,268.96