Finding the Third Proportional to 109,200 and 237,630

Step by Step Solution

1. Step 1: Write the proportion equation
   109,200 : 237,630 = 237,630 : x
2. Step 2: Convert to fraction form
   109,200/237,630 = 237,630/x
3. Step 3: Cross multiply
   109,200x = 237,630 × 237,630
4. Step 4: Simplify right side
   109,200x = 56,468,016,900
5. Step 5: Solve for x
   x = 56,468,016,900/109,200
6. Step 6: Final answer
   x = 517,106.38