Finding the Third Proportional to 106,431 and 158,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,431 : 158,719.50 = 158,719.50 : x
2. Step 2: Convert to fraction form
   106,431/158,719.50 = 158,719.50/x
3. Step 3: Cross multiply
   106,431x = 158,719.50 × 158,719.50
4. Step 4: Simplify right side
   106,431x = 25,191,879,680.25
5. Step 5: Solve for x
   x = 25,191,879,680.25/106,431
6. Step 6: Final answer
   x = 236,696.82