Finding the Third Proportional to 1,553,798 and 3,662,697

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,798 : 3,662,697 = 3,662,697 : x
2. Step 2: Convert to fraction form
   1,553,798/3,662,697 = 3,662,697/x
3. Step 3: Cross multiply
   1,553,798x = 3,662,697 × 3,662,697
4. Step 4: Simplify right side
   1,553,798x = 13,415,349,313,809
5. Step 5: Solve for x
   x = 13,415,349,313,809/1,553,798
6. Step 6: Final answer
   x = 8,633,908.21