Finding the Third Proportional to 296,469 and 436,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,469 : 436,873.50 = 436,873.50 : x
2. Step 2: Convert to fraction form
   296,469/436,873.50 = 436,873.50/x
3. Step 3: Cross multiply
   296,469x = 436,873.50 × 436,873.50
4. Step 4: Simplify right side
   296,469x = 190,858,455,002.25
5. Step 5: Solve for x
   x = 190,858,455,002.25/296,469
6. Step 6: Final answer
   x = 643,772.05