Finding the Third Proportional to 3,245,721 and 5,045,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,245,721 : 5,045,581.50 = 5,045,581.50 : x
2. Step 2: Convert to fraction form
   3,245,721/5,045,581.50 = 5,045,581.50/x
3. Step 3: Cross multiply
   3,245,721x = 5,045,581.50 × 5,045,581.50
4. Step 4: Simplify right side
   3,245,721x = 25,457,892,673,142.25
5. Step 5: Solve for x
   x = 25,457,892,673,142.25/3,245,721
6. Step 6: Final answer
   x = 7,843,524.65