Finding the Third Proportional to 149,498.50 and 237,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,498.50 : 237,734.50 = 237,734.50 : x
2. Step 2: Convert to fraction form
   149,498.50/237,734.50 = 237,734.50/x
3. Step 3: Cross multiply
   149,498.50x = 237,734.50 × 237,734.50
4. Step 4: Simplify right side
   149,498.50x = 56,517,692,490.25
5. Step 5: Solve for x
   x = 56,517,692,490.25/149,498.50
6. Step 6: Final answer
   x = 378,048.56