Finding the Third Proportional to 469,900 and 756,610

Step by Step Solution

1. Step 1: Write the proportion equation
   469,900 : 756,610 = 756,610 : x
2. Step 2: Convert to fraction form
   469,900/756,610 = 756,610/x
3. Step 3: Cross multiply
   469,900x = 756,610 × 756,610
4. Step 4: Simplify right side
   469,900x = 572,458,692,100
5. Step 5: Solve for x
   x = 572,458,692,100/469,900
6. Step 6: Final answer
   x = 1,218,256.42