Finding the Third Proportional to 154,170 and 231,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,170 : 231,259.50 = 231,259.50 : x
2. Step 2: Convert to fraction form
   154,170/231,259.50 = 231,259.50/x
3. Step 3: Cross multiply
   154,170x = 231,259.50 × 231,259.50
4. Step 4: Simplify right side
   154,170x = 53,480,956,340.25
5. Step 5: Solve for x
   x = 53,480,956,340.25/154,170
6. Step 6: Final answer
   x = 346,896.00