Finding the Third Proportional to 143,964 and 297,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,964 : 297,148.50 = 297,148.50 : x
2. Step 2: Convert to fraction form
   143,964/297,148.50 = 297,148.50/x
3. Step 3: Cross multiply
   143,964x = 297,148.50 × 297,148.50
4. Step 4: Simplify right side
   143,964x = 88,297,231,052.25
5. Step 5: Solve for x
   x = 88,297,231,052.25/143,964
6. Step 6: Final answer
   x = 613,328.55