Finding the Third Proportional to 6,990,404 and 9,444,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990,404 : 9,444,470.50 = 9,444,470.50 : x
2. Step 2: Convert to fraction form
   6,990,404/9,444,470.50 = 9,444,470.50/x
3. Step 3: Cross multiply
   6,990,404x = 9,444,470.50 × 9,444,470.50
4. Step 4: Simplify right side
   6,990,404x = 89,198,023,025,370.25
5. Step 5: Solve for x
   x = 89,198,023,025,370.25/6,990,404
6. Step 6: Final answer
   x = 12,760,066.95