Finding the Third Proportional to 690,903 and 1,499,818

Step by Step Solution

1. Step 1: Write the proportion equation
   690,903 : 1,499,818 = 1,499,818 : x
2. Step 2: Convert to fraction form
   690,903/1,499,818 = 1,499,818/x
3. Step 3: Cross multiply
   690,903x = 1,499,818 × 1,499,818
4. Step 4: Simplify right side
   690,903x = 2,249,454,033,124
5. Step 5: Solve for x
   x = 2,249,454,033,124/690,903
6. Step 6: Final answer
   x = 3,255,817.43