Finding the Third Proportional to 2,260,438 and 3,390,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260,438 : 3,390,661.50 = 3,390,661.50 : x
2. Step 2: Convert to fraction form
   2,260,438/3,390,661.50 = 3,390,661.50/x
3. Step 3: Cross multiply
   2,260,438x = 3,390,661.50 × 3,390,661.50
4. Step 4: Simplify right side
   2,260,438x = 11,496,585,407,582.25
5. Step 5: Solve for x
   x = 11,496,585,407,582.25/2,260,438
6. Step 6: Final answer
   x = 5,085,999.00