Finding the Third Proportional to 56,979 and 88,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,979 : 88,455.50 = 88,455.50 : x
2. Step 2: Convert to fraction form
   56,979/88,455.50 = 88,455.50/x
3. Step 3: Cross multiply
   56,979x = 88,455.50 × 88,455.50
4. Step 4: Simplify right side
   56,979x = 7,824,375,480.25
5. Step 5: Solve for x
   x = 7,824,375,480.25/56,979
6. Step 6: Final answer
   x = 137,320.34