Finding the Third Proportional to 297,169.50 and 648,501

Step by Step Solution

1. Step 1: Write the proportion equation
   297,169.50 : 648,501 = 648,501 : x
2. Step 2: Convert to fraction form
   297,169.50/648,501 = 648,501/x
3. Step 3: Cross multiply
   297,169.50x = 648,501 × 648,501
4. Step 4: Simplify right side
   297,169.50x = 420,553,547,001
5. Step 5: Solve for x
   x = 420,553,547,001/297,169.50
6. Step 6: Final answer
   x = 1,415,197.55