Finding the Third Proportional to 116,579 and 171,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,579 : 171,039.50 = 171,039.50 : x
2. Step 2: Convert to fraction form
   116,579/171,039.50 = 171,039.50/x
3. Step 3: Cross multiply
   116,579x = 171,039.50 × 171,039.50
4. Step 4: Simplify right side
   116,579x = 29,254,510,560.25
5. Step 5: Solve for x
   x = 29,254,510,560.25/116,579
6. Step 6: Final answer
   x = 250,941.51