Finding the Third Proportional to 1,068,440 and 2,176,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,440 : 2,176,464 = 2,176,464 : x
2. Step 2: Convert to fraction form
   1,068,440/2,176,464 = 2,176,464/x
3. Step 3: Cross multiply
   1,068,440x = 2,176,464 × 2,176,464
4. Step 4: Simplify right side
   1,068,440x = 4,736,995,543,296
5. Step 5: Solve for x
   x = 4,736,995,543,296/1,068,440
6. Step 6: Final answer
   x = 4,433,562.52