Finding the Third Proportional to 67,938.75 and 147,521.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,938.75 : 147,521.25 = 147,521.25 : x
2. Step 2: Convert to fraction form
   67,938.75/147,521.25 = 147,521.25/x
3. Step 3: Cross multiply
   67,938.75x = 147,521.25 × 147,521.25
4. Step 4: Simplify right side
   67,938.75x = 21,762,519,201.56
5. Step 5: Solve for x
   x = 21,762,519,201.56/67,938.75
6. Step 6: Final answer
   x = 320,325.58