Finding the Third Proportional to 297,991.50 and 652,668

Step by Step Solution

1. Step 1: Write the proportion equation
   297,991.50 : 652,668 = 652,668 : x
2. Step 2: Convert to fraction form
   297,991.50/652,668 = 652,668/x
3. Step 3: Cross multiply
   297,991.50x = 652,668 × 652,668
4. Step 4: Simplify right side
   297,991.50x = 425,975,518,224
5. Step 5: Solve for x
   x = 425,975,518,224/297,991.50
6. Step 6: Final answer
   x = 1,429,488.82