Finding the Third Proportional to 80,518 and 174,887

Step by Step Solution

1. Step 1: Write the proportion equation
   80,518 : 174,887 = 174,887 : x
2. Step 2: Convert to fraction form
   80,518/174,887 = 174,887/x
3. Step 3: Cross multiply
   80,518x = 174,887 × 174,887
4. Step 4: Simplify right side
   80,518x = 30,585,462,769
5. Step 5: Solve for x
   x = 30,585,462,769/80,518
6. Step 6: Final answer
   x = 379,858.70