Finding the Third Proportional to 78,002 and 168,972

Step by Step Solution

1. Step 1: Write the proportion equation
   78,002 : 168,972 = 168,972 : x
2. Step 2: Convert to fraction form
   78,002/168,972 = 168,972/x
3. Step 3: Cross multiply
   78,002x = 168,972 × 168,972
4. Step 4: Simplify right side
   78,002x = 28,551,536,784
5. Step 5: Solve for x
   x = 28,551,536,784/78,002
6. Step 6: Final answer
   x = 366,035.96