Finding the Third Proportional to 10,158,407 and 21,694,502

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158,407 : 21,694,502 = 21,694,502 : x
2. Step 2: Convert to fraction form
   10,158,407/21,694,502 = 21,694,502/x
3. Step 3: Cross multiply
   10,158,407x = 21,694,502 × 21,694,502
4. Step 4: Simplify right side
   10,158,407x = 470,651,417,028,004
5. Step 5: Solve for x
   x = 470,651,417,028,004/10,158,407
6. Step 6: Final answer
   x = 46,331,222.70