Finding the Third Proportional to 1,664,469 and 3,581,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,469 : 3,581,740.50 = 3,581,740.50 : x
2. Step 2: Convert to fraction form
   1,664,469/3,581,740.50 = 3,581,740.50/x
3. Step 3: Cross multiply
   1,664,469x = 3,581,740.50 × 3,581,740.50
4. Step 4: Simplify right side
   1,664,469x = 12,828,865,009,340.25
5. Step 5: Solve for x
   x = 12,828,865,009,340.25/1,664,469
6. Step 6: Final answer
   x = 7,707,482.09