Finding the Third Proportional to 3,668,814 and 7,781,589

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668,814 : 7,781,589 = 7,781,589 : x
2. Step 2: Convert to fraction form
   3,668,814/7,781,589 = 7,781,589/x
3. Step 3: Cross multiply
   3,668,814x = 7,781,589 × 7,781,589
4. Step 4: Simplify right side
   3,668,814x = 60,553,127,364,921
5. Step 5: Solve for x
   x = 60,553,127,364,921/3,668,814
6. Step 6: Final answer
   x = 16,504,823.46