Finding the Third Proportional to 78,472 and 169,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,472 : 169,995.50 = 169,995.50 : x
2. Step 2: Convert to fraction form
   78,472/169,995.50 = 169,995.50/x
3. Step 3: Cross multiply
   78,472x = 169,995.50 × 169,995.50
4. Step 4: Simplify right side
   78,472x = 28,898,470,020.25
5. Step 5: Solve for x
   x = 28,898,470,020.25/78,472
6. Step 6: Final answer
   x = 368,264.73