Finding the Third Proportional to 72,982 and 156,878

Step by Step Solution

1. Step 1: Write the proportion equation
   72,982 : 156,878 = 156,878 : x
2. Step 2: Convert to fraction form
   72,982/156,878 = 156,878/x
3. Step 3: Cross multiply
   72,982x = 156,878 × 156,878
4. Step 4: Simplify right side
   72,982x = 24,610,706,884
5. Step 5: Solve for x
   x = 24,610,706,884/72,982
6. Step 6: Final answer
   x = 337,216.12