Finding the Third Proportional to 109,312 and 237,200

Step by Step Solution

1. Step 1: Write the proportion equation
   109,312 : 237,200 = 237,200 : x
2. Step 2: Convert to fraction form
   109,312/237,200 = 237,200/x
3. Step 3: Cross multiply
   109,312x = 237,200 × 237,200
4. Step 4: Simplify right side
   109,312x = 56,263,840,000
5. Step 5: Solve for x
   x = 56,263,840,000/109,312
6. Step 6: Final answer
   x = 514,708.72