Finding the Third Proportional to 7,784,696 and 12,396,568

Step by Step Solution

1. Step 1: Write the proportion equation
   7,784,696 : 12,396,568 = 12,396,568 : x
2. Step 2: Convert to fraction form
   7,784,696/12,396,568 = 12,396,568/x
3. Step 3: Cross multiply
   7,784,696x = 12,396,568 × 12,396,568
4. Step 4: Simplify right side
   7,784,696x = 153,674,898,178,624
5. Step 5: Solve for x
   x = 153,674,898,178,624/7,784,696
6. Step 6: Final answer
   x = 19,740,642.18