Finding the Third Proportional to 143,956 and 297,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,956 : 297,132.50 = 297,132.50 : x
2. Step 2: Convert to fraction form
   143,956/297,132.50 = 297,132.50/x
3. Step 3: Cross multiply
   143,956x = 297,132.50 × 297,132.50
4. Step 4: Simplify right side
   143,956x = 88,287,722,556.25
5. Step 5: Solve for x
   x = 88,287,722,556.25/143,956
6. Step 6: Final answer
   x = 613,296.58