Finding the Third Proportional to 80,422.50 and 171,887

Step by Step Solution

1. Step 1: Write the proportion equation
   80,422.50 : 171,887 = 171,887 : x
2. Step 2: Convert to fraction form
   80,422.50/171,887 = 171,887/x
3. Step 3: Cross multiply
   80,422.50x = 171,887 × 171,887
4. Step 4: Simplify right side
   80,422.50x = 29,545,140,769
5. Step 5: Solve for x
   x = 29,545,140,769/80,422.50
6. Step 6: Final answer
   x = 367,374.07