Finding the Third Proportional to 72,808 and 113,100

Step by Step Solution

1. Step 1: Write the proportion equation
   72,808 : 113,100 = 113,100 : x
2. Step 2: Convert to fraction form
   72,808/113,100 = 113,100/x
3. Step 3: Cross multiply
   72,808x = 113,100 × 113,100
4. Step 4: Simplify right side
   72,808x = 12,791,610,000
5. Step 5: Solve for x
   x = 12,791,610,000/72,808
6. Step 6: Final answer
   x = 175,689.62