Finding the Third Proportional to 1,665,699 and 3,616,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,699 : 3,616,800 = 3,616,800 : x
2. Step 2: Convert to fraction form
   1,665,699/3,616,800 = 3,616,800/x
3. Step 3: Cross multiply
   1,665,699x = 3,616,800 × 3,616,800
4. Step 4: Simplify right side
   1,665,699x = 13,081,242,240,000
5. Step 5: Solve for x
   x = 13,081,242,240,000/1,665,699
6. Step 6: Final answer
   x = 7,853,304.97