Finding the Third Proportional to 403,609.50 and 849,045

Step by Step Solution

1. Step 1: Write the proportion equation
   403,609.50 : 849,045 = 849,045 : x
2. Step 2: Convert to fraction form
   403,609.50/849,045 = 849,045/x
3. Step 3: Cross multiply
   403,609.50x = 849,045 × 849,045
4. Step 4: Simplify right side
   403,609.50x = 720,877,412,025
5. Step 5: Solve for x
   x = 720,877,412,025/403,609.50
6. Step 6: Final answer
   x = 1,786,076.42