Finding the Third Proportional to 152,320 and 238,200

Step by Step Solution

1. Step 1: Write the proportion equation
   152,320 : 238,200 = 238,200 : x
2. Step 2: Convert to fraction form
   152,320/238,200 = 238,200/x
3. Step 3: Cross multiply
   152,320x = 238,200 × 238,200
4. Step 4: Simplify right side
   152,320x = 56,739,240,000
5. Step 5: Solve for x
   x = 56,739,240,000/152,320
6. Step 6: Final answer
   x = 372,500.26