Finding the Third Proportional to 78,943.50 and 150,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   78,943.50 : 150,612.75 = 150,612.75 : x
2. Step 2: Convert to fraction form
   78,943.50/150,612.75 = 150,612.75/x
3. Step 3: Cross multiply
   78,943.50x = 150,612.75 × 150,612.75
4. Step 4: Simplify right side
   78,943.50x = 22,684,200,462.56
5. Step 5: Solve for x
   x = 22,684,200,462.56/78,943.50
6. Step 6: Final answer
   x = 287,347.29