Finding the Third Proportional to 403,722 and 849,273.75

Step by Step Solution

1. Step 1: Write the proportion equation
   403,722 : 849,273.75 = 849,273.75 : x
2. Step 2: Convert to fraction form
   403,722/849,273.75 = 849,273.75/x
3. Step 3: Cross multiply
   403,722x = 849,273.75 × 849,273.75
4. Step 4: Simplify right side
   403,722x = 721,265,902,439.06
5. Step 5: Solve for x
   x = 721,265,902,439.06/403,722
6. Step 6: Final answer
   x = 1,786,540.99