Finding the Third Proportional to 112,496.50 and 237,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,496.50 : 237,638.50 = 237,638.50 : x
2. Step 2: Convert to fraction form
   112,496.50/237,638.50 = 237,638.50/x
3. Step 3: Cross multiply
   112,496.50x = 237,638.50 × 237,638.50
4. Step 4: Simplify right side
   112,496.50x = 56,472,056,682.25
5. Step 5: Solve for x
   x = 56,472,056,682.25/112,496.50
6. Step 6: Final answer
   x = 501,989.45