Finding the Third Proportional to 72,991.41 and 158,375.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,991.41 : 158,375.81 = 158,375.81 : x
2. Step 2: Convert to fraction form
   72,991.41/158,375.81 = 158,375.81/x
3. Step 3: Cross multiply
   72,991.41x = 158,375.81 × 158,375.81
4. Step 4: Simplify right side
   72,991.41x = 25,082,897,985.04
5. Step 5: Solve for x
   x = 25,082,897,985.04/72,991.41
6. Step 6: Final answer
   x = 343,641.80