Finding the Third Proportional to 58,109.91 and 127,276.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,109.91 : 127,276.31 = 127,276.31 : x
2. Step 2: Convert to fraction form
   58,109.91/127,276.31 = 127,276.31/x
3. Step 3: Cross multiply
   58,109.91x = 127,276.31 × 127,276.31
4. Step 4: Simplify right side
   58,109.91x = 16,199,259,723.60
5. Step 5: Solve for x
   x = 16,199,259,723.60/58,109.91
6. Step 6: Final answer
   x = 278,769.33