Finding the Third Proportional to 917,680 and 2,012,642

Step by Step Solution

1. Step 1: Write the proportion equation
   917,680 : 2,012,642 = 2,012,642 : x
2. Step 2: Convert to fraction form
   917,680/2,012,642 = 2,012,642/x
3. Step 3: Cross multiply
   917,680x = 2,012,642 × 2,012,642
4. Step 4: Simplify right side
   917,680x = 4,050,727,820,164
5. Step 5: Solve for x
   x = 4,050,727,820,164/917,680
6. Step 6: Final answer
   x = 4,414,096.22