Finding the Third Proportional to 403,654.50 and 849,132

Step by Step Solution

1. Step 1: Write the proportion equation
   403,654.50 : 849,132 = 849,132 : x
2. Step 2: Convert to fraction form
   403,654.50/849,132 = 849,132/x
3. Step 3: Cross multiply
   403,654.50x = 849,132 × 849,132
4. Step 4: Simplify right side
   403,654.50x = 721,025,153,424
5. Step 5: Solve for x
   x = 721,025,153,424/403,654.50
6. Step 6: Final answer
   x = 1,786,243.32