Finding the Third Proportional to 108,700.50 and 237,987

Step by Step Solution

1. Step 1: Write the proportion equation
   108,700.50 : 237,987 = 237,987 : x
2. Step 2: Convert to fraction form
   108,700.50/237,987 = 237,987/x
3. Step 3: Cross multiply
   108,700.50x = 237,987 × 237,987
4. Step 4: Simplify right side
   108,700.50x = 56,637,812,169
5. Step 5: Solve for x
   x = 56,637,812,169/108,700.50
6. Step 6: Final answer
   x = 521,044.63