Finding the Third Proportional to 67,061.25 and 145,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,061.25 : 145,012.50 = 145,012.50 : x
2. Step 2: Convert to fraction form
   67,061.25/145,012.50 = 145,012.50/x
3. Step 3: Cross multiply
   67,061.25x = 145,012.50 × 145,012.50
4. Step 4: Simplify right side
   67,061.25x = 21,028,625,156.25
5. Step 5: Solve for x
   x = 21,028,625,156.25/67,061.25
6. Step 6: Final answer
   x = 313,573.41