Finding the Third Proportional to 58,442.34 and 127,819.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,442.34 : 127,819.69 = 127,819.69 : x
2. Step 2: Convert to fraction form
   58,442.34/127,819.69 = 127,819.69/x
3. Step 3: Cross multiply
   58,442.34x = 127,819.69 × 127,819.69
4. Step 4: Simplify right side
   58,442.34x = 16,337,872,512.60
5. Step 5: Solve for x
   x = 16,337,872,512.60/58,442.34
6. Step 6: Final answer
   x = 279,555.40