Finding the Third Proportional to 1,068,416 and 1,663,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,416 : 1,663,896 = 1,663,896 : x
2. Step 2: Convert to fraction form
   1,068,416/1,663,896 = 1,663,896/x
3. Step 3: Cross multiply
   1,068,416x = 1,663,896 × 1,663,896
4. Step 4: Simplify right side
   1,068,416x = 2,768,549,898,816
5. Step 5: Solve for x
   x = 2,768,549,898,816/1,068,416
6. Step 6: Final answer
   x = 2,591,265.85