Finding the Third Proportional to 715,283 and 1,002,615

Step by Step Solution

1. Step 1: Write the proportion equation
   715,283 : 1,002,615 = 1,002,615 : x
2. Step 2: Convert to fraction form
   715,283/1,002,615 = 1,002,615/x
3. Step 3: Cross multiply
   715,283x = 1,002,615 × 1,002,615
4. Step 4: Simplify right side
   715,283x = 1,005,236,838,225
5. Step 5: Solve for x
   x = 1,005,236,838,225/715,283
6. Step 6: Final answer
   x = 1,405,369.40