Finding the Third Proportional to 917,286 and 1,945,580

Step by Step Solution

1. Step 1: Write the proportion equation
   917,286 : 1,945,580 = 1,945,580 : x
2. Step 2: Convert to fraction form
   917,286/1,945,580 = 1,945,580/x
3. Step 3: Cross multiply
   917,286x = 1,945,580 × 1,945,580
4. Step 4: Simplify right side
   917,286x = 3,785,281,536,400
5. Step 5: Solve for x
   x = 3,785,281,536,400/917,286
6. Step 6: Final answer
   x = 4,126,609.95