Finding the Third Proportional to 78,460.50 and 171,592.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,460.50 : 171,592.13 = 171,592.13 : x
2. Step 2: Convert to fraction form
   78,460.50/171,592.13 = 171,592.13/x
3. Step 3: Cross multiply
   78,460.50x = 171,592.13 × 171,592.13
4. Step 4: Simplify right side
   78,460.50x = 29,443,857,362.02
5. Step 5: Solve for x
   x = 29,443,857,362.02/78,460.50
6. Step 6: Final answer
   x = 375,269.82