Finding the Third Proportional to 1,538,624 and 3,561,637

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,624 : 3,561,637 = 3,561,637 : x
2. Step 2: Convert to fraction form
   1,538,624/3,561,637 = 3,561,637/x
3. Step 3: Cross multiply
   1,538,624x = 3,561,637 × 3,561,637
4. Step 4: Simplify right side
   1,538,624x = 12,685,258,119,769
5. Step 5: Solve for x
   x = 12,685,258,119,769/1,538,624
6. Step 6: Final answer
   x = 8,244,547.15