Finding the Third Proportional to 78,882 and 168,972

Step by Step Solution

1. Step 1: Write the proportion equation
   78,882 : 168,972 = 168,972 : x
2. Step 2: Convert to fraction form
   78,882/168,972 = 168,972/x
3. Step 3: Cross multiply
   78,882x = 168,972 × 168,972
4. Step 4: Simplify right side
   78,882x = 28,551,536,784
5. Step 5: Solve for x
   x = 28,551,536,784/78,882
6. Step 6: Final answer
   x = 361,952.50