Finding the Third Proportional to 116,931 and 171,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,931 : 171,019.50 = 171,019.50 : x
2. Step 2: Convert to fraction form
   116,931/171,019.50 = 171,019.50/x
3. Step 3: Cross multiply
   116,931x = 171,019.50 × 171,019.50
4. Step 4: Simplify right side
   116,931x = 29,247,669,380.25
5. Step 5: Solve for x
   x = 29,247,669,380.25/116,931
6. Step 6: Final answer
   x = 250,127.59