Finding the Third Proportional to 10,231,639 and 21,881,000

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231,639 : 21,881,000 = 21,881,000 : x
2. Step 2: Convert to fraction form
   10,231,639/21,881,000 = 21,881,000/x
3. Step 3: Cross multiply
   10,231,639x = 21,881,000 × 21,881,000
4. Step 4: Simplify right side
   10,231,639x = 478,778,161,000,000
5. Step 5: Solve for x
   x = 478,778,161,000,000/10,231,639
6. Step 6: Final answer
   x = 46,793,887.18