Finding the Third Proportional to 171,470 and 231,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,470 : 231,303.50 = 231,303.50 : x
2. Step 2: Convert to fraction form
   171,470/231,303.50 = 231,303.50/x
3. Step 3: Cross multiply
   171,470x = 231,303.50 × 231,303.50
4. Step 4: Simplify right side
   171,470x = 53,501,309,112.25
5. Step 5: Solve for x
   x = 53,501,309,112.25/171,470
6. Step 6: Final answer
   x = 312,015.57