Finding the Third Proportional to 116,970 and 170,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,970 : 170,716.50 = 170,716.50 : x
2. Step 2: Convert to fraction form
   116,970/170,716.50 = 170,716.50/x
3. Step 3: Cross multiply
   116,970x = 170,716.50 × 170,716.50
4. Step 4: Simplify right side
   116,970x = 29,144,123,372.25
5. Step 5: Solve for x
   x = 29,144,123,372.25/116,970
6. Step 6: Final answer
   x = 249,158.96