Finding the Third Proportional to 78,460.50 and 171,592

Step by Step Solution

1. Step 1: Write the proportion equation
   78,460.50 : 171,592 = 171,592 : x
2. Step 2: Convert to fraction form
   78,460.50/171,592 = 171,592/x
3. Step 3: Cross multiply
   78,460.50x = 171,592 × 171,592
4. Step 4: Simplify right side
   78,460.50x = 29,443,814,464
5. Step 5: Solve for x
   x = 29,443,814,464/78,460.50
6. Step 6: Final answer
   x = 375,269.27