Finding the Third Proportional to 153,239.50 and 237,878

Step by Step Solution

1. Step 1: Write the proportion equation
   153,239.50 : 237,878 = 237,878 : x
2. Step 2: Convert to fraction form
   153,239.50/237,878 = 237,878/x
3. Step 3: Cross multiply
   153,239.50x = 237,878 × 237,878
4. Step 4: Simplify right side
   153,239.50x = 56,585,942,884
5. Step 5: Solve for x
   x = 56,585,942,884/153,239.50
6. Step 6: Final answer
   x = 369,264.73