Finding the Third Proportional to 717,605 and 1,156,238

Step by Step Solution

1. Step 1: Write the proportion equation
   717,605 : 1,156,238 = 1,156,238 : x
2. Step 2: Convert to fraction form
   717,605/1,156,238 = 1,156,238/x
3. Step 3: Cross multiply
   717,605x = 1,156,238 × 1,156,238
4. Step 4: Simplify right side
   717,605x = 1,336,886,312,644
5. Step 5: Solve for x
   x = 1,336,886,312,644/717,605
6. Step 6: Final answer
   x = 1,862,983.55