Finding the Third Proportional to 660,903 and 1,050,405

Step by Step Solution

1. Step 1: Write the proportion equation
   660,903 : 1,050,405 = 1,050,405 : x
2. Step 2: Convert to fraction form
   660,903/1,050,405 = 1,050,405/x
3. Step 3: Cross multiply
   660,903x = 1,050,405 × 1,050,405
4. Step 4: Simplify right side
   660,903x = 1,103,350,664,025
5. Step 5: Solve for x
   x = 1,103,350,664,025/660,903
6. Step 6: Final answer
   x = 1,669,459.31