Finding the Third Proportional to 43,211.25 and 58,120.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,211.25 : 58,120.88 = 58,120.88 : x
2. Step 2: Convert to fraction form
   43,211.25/58,120.88 = 58,120.88/x
3. Step 3: Cross multiply
   43,211.25x = 58,120.88 × 58,120.88
4. Step 4: Simplify right side
   43,211.25x = 3,378,036,110.77
5. Step 5: Solve for x
   x = 3,378,036,110.77/43,211.25
6. Step 6: Final answer
   x = 78,174.92