Finding the Third Proportional to 10,008,900 and 21,852,702

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008,900 : 21,852,702 = 21,852,702 : x
2. Step 2: Convert to fraction form
   10,008,900/21,852,702 = 21,852,702/x
3. Step 3: Cross multiply
   10,008,900x = 21,852,702 × 21,852,702
4. Step 4: Simplify right side
   10,008,900x = 477,540,584,700,804
5. Step 5: Solve for x
   x = 477,540,584,700,804/10,008,900
6. Step 6: Final answer
   x = 47,711,595.15