Finding the Third Proportional to 72,143.63 and 158,124.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,143.63 : 158,124.75 = 158,124.75 : x
2. Step 2: Convert to fraction form
   72,143.63/158,124.75 = 158,124.75/x
3. Step 3: Cross multiply
   72,143.63x = 158,124.75 × 158,124.75
4. Step 4: Simplify right side
   72,143.63x = 25,003,436,562.56
5. Step 5: Solve for x
   x = 25,003,436,562.56/72,143.63
6. Step 6: Final answer
   x = 346,578.60