Finding the Third Proportional to 1,068,420 and 1,663,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,420 : 1,663,902 = 1,663,902 : x
2. Step 2: Convert to fraction form
   1,068,420/1,663,902 = 1,663,902/x
3. Step 3: Cross multiply
   1,068,420x = 1,663,902 × 1,663,902
4. Step 4: Simplify right side
   1,068,420x = 2,768,569,865,604
5. Step 5: Solve for x
   x = 2,768,569,865,604/1,068,420
6. Step 6: Final answer
   x = 2,591,274.84