Finding the Third Proportional to 4,259,812 and 9,371,260

Step by Step Solution

1. Step 1: Write the proportion equation
   4,259,812 : 9,371,260 = 9,371,260 : x
2. Step 2: Convert to fraction form
   4,259,812/9,371,260 = 9,371,260/x
3. Step 3: Cross multiply
   4,259,812x = 9,371,260 × 9,371,260
4. Step 4: Simplify right side
   4,259,812x = 87,820,513,987,600
5. Step 5: Solve for x
   x = 87,820,513,987,600/4,259,812
6. Step 6: Final answer
   x = 20,616,053.95