Finding the Third Proportional to 1,105,342 and 1,621,751

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,342 : 1,621,751 = 1,621,751 : x
2. Step 2: Convert to fraction form
   1,105,342/1,621,751 = 1,621,751/x
3. Step 3: Cross multiply
   1,105,342x = 1,621,751 × 1,621,751
4. Step 4: Simplify right side
   1,105,342x = 2,630,076,306,001
5. Step 5: Solve for x
   x = 2,630,076,306,001/1,105,342
6. Step 6: Final answer
   x = 2,379,423.12