Finding the Third Proportional to 72,200 and 158,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,200 : 158,349.50 = 158,349.50 : x
2. Step 2: Convert to fraction form
   72,200/158,349.50 = 158,349.50/x
3. Step 3: Cross multiply
   72,200x = 158,349.50 × 158,349.50
4. Step 4: Simplify right side
   72,200x = 25,074,564,150.25
5. Step 5: Solve for x
   x = 25,074,564,150.25/72,200
6. Step 6: Final answer
   x = 347,293.13