Finding the Third Proportional to 148,117.50 and 238,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,117.50 : 238,540.50 = 238,540.50 : x
2. Step 2: Convert to fraction form
   148,117.50/238,540.50 = 238,540.50/x
3. Step 3: Cross multiply
   148,117.50x = 238,540.50 × 238,540.50
4. Step 4: Simplify right side
   148,117.50x = 56,901,570,140.25
5. Step 5: Solve for x
   x = 56,901,570,140.25/148,117.50
6. Step 6: Final answer
   x = 384,165.07