Finding the Third Proportional to 109,880 and 237,280

Step by Step Solution

1. Step 1: Write the proportion equation
   109,880 : 237,280 = 237,280 : x
2. Step 2: Convert to fraction form
   109,880/237,280 = 237,280/x
3. Step 3: Cross multiply
   109,880x = 237,280 × 237,280
4. Step 4: Simplify right side
   109,880x = 56,301,798,400
5. Step 5: Solve for x
   x = 56,301,798,400/109,880
6. Step 6: Final answer
   x = 512,393.51