Finding the Third Proportional to 1,645,332 and 3,605,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,332 : 3,605,800 = 3,605,800 : x
2. Step 2: Convert to fraction form
   1,645,332/3,605,800 = 3,605,800/x
3. Step 3: Cross multiply
   1,645,332x = 3,605,800 × 3,605,800
4. Step 4: Simplify right side
   1,645,332x = 13,001,793,640,000
5. Step 5: Solve for x
   x = 13,001,793,640,000/1,645,332
6. Step 6: Final answer
   x = 7,902,231.06