Finding the Third Proportional to 72,119.63 and 158,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,119.63 : 158,078.25 = 158,078.25 : x
2. Step 2: Convert to fraction form
   72,119.63/158,078.25 = 158,078.25/x
3. Step 3: Cross multiply
   72,119.63x = 158,078.25 × 158,078.25
4. Step 4: Simplify right side
   72,119.63x = 24,988,733,123.06
5. Step 5: Solve for x
   x = 24,988,733,123.06/72,119.63
6. Step 6: Final answer
   x = 346,490.06