Finding the Third Proportional to 1,661,984 and 3,638,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,984 : 3,638,464 = 3,638,464 : x
2. Step 2: Convert to fraction form
   1,661,984/3,638,464 = 3,638,464/x
3. Step 3: Cross multiply
   1,661,984x = 3,638,464 × 3,638,464
4. Step 4: Simplify right side
   1,661,984x = 13,238,420,279,296
5. Step 5: Solve for x
   x = 13,238,420,279,296/1,661,984
6. Step 6: Final answer
   x = 7,965,431.84