Finding the Third Proportional to 1,392,480 and 2,099,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,480 : 2,099,808 = 2,099,808 : x
2. Step 2: Convert to fraction form
   1,392,480/2,099,808 = 2,099,808/x
3. Step 3: Cross multiply
   1,392,480x = 2,099,808 × 2,099,808
4. Step 4: Simplify right side
   1,392,480x = 4,409,193,636,864
5. Step 5: Solve for x
   x = 4,409,193,636,864/1,392,480
6. Step 6: Final answer
   x = 3,166,432.29