Finding the Third Proportional to 403,788 and 849,426

Step by Step Solution

1. Step 1: Write the proportion equation
   403,788 : 849,426 = 849,426 : x
2. Step 2: Convert to fraction form
   403,788/849,426 = 849,426/x
3. Step 3: Cross multiply
   403,788x = 849,426 × 849,426
4. Step 4: Simplify right side
   403,788x = 721,524,529,476
5. Step 5: Solve for x
   x = 721,524,529,476/403,788
6. Step 6: Final answer
   x = 1,786,889.48