Finding the Third Proportional to 1,645,336 and 3,605,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,336 : 3,605,808 = 3,605,808 : x
2. Step 2: Convert to fraction form
   1,645,336/3,605,808 = 3,605,808/x
3. Step 3: Cross multiply
   1,645,336x = 3,605,808 × 3,605,808
4. Step 4: Simplify right side
   1,645,336x = 13,001,851,332,864
5. Step 5: Solve for x
   x = 13,001,851,332,864/1,645,336
6. Step 6: Final answer
   x = 7,902,246.92