Finding the Third Proportional to 10,158,401 and 21,694,490

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,401 : 21,694,490 = 21,694,490 : x
2. Step 2: Convert to fraction form
   10,158,401/21,694,490 = 21,694,490/x
3. Step 3: Cross multiply
   10,158,401x = 21,694,490 × 21,694,490
4. Step 4: Simplify right side
   10,158,401x = 470,650,896,360,100
5. Step 5: Solve for x
   x = 470,650,896,360,100/10,158,401
6. Step 6: Final answer
   x = 46,331,198.81