Finding the Third Proportional to 78,862.50 and 171,035.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,862.50 : 171,035.25 = 171,035.25 : x
2. Step 2: Convert to fraction form
   78,862.50/171,035.25 = 171,035.25/x
3. Step 3: Cross multiply
   78,862.50x = 171,035.25 × 171,035.25
4. Step 4: Simplify right side
   78,862.50x = 29,253,056,742.56
5. Step 5: Solve for x
   x = 29,253,056,742.56/78,862.50
6. Step 6: Final answer
   x = 370,937.48