Finding the Third Proportional to 78,374.50 and 169,871

Step by Step Solution

1. Step 1: Write the proportion equation
   78,374.50 : 169,871 = 169,871 : x
2. Step 2: Convert to fraction form
   78,374.50/169,871 = 169,871/x
3. Step 3: Cross multiply
   78,374.50x = 169,871 × 169,871
4. Step 4: Simplify right side
   78,374.50x = 28,856,156,641
5. Step 5: Solve for x
   x = 28,856,156,641/78,374.50
6. Step 6: Final answer
   x = 368,182.98