Finding the Third Proportional to 58,335.75 and 137,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,335.75 : 137,279.25 = 137,279.25 : x
2. Step 2: Convert to fraction form
   58,335.75/137,279.25 = 137,279.25/x
3. Step 3: Cross multiply
   58,335.75x = 137,279.25 × 137,279.25
4. Step 4: Simplify right side
   58,335.75x = 18,845,592,480.56
5. Step 5: Solve for x
   x = 18,845,592,480.56/58,335.75
6. Step 6: Final answer
   x = 323,053.92