Finding the Third Proportional to 4,915,864 and 10,026,900

Step by Step Solution

1. Step 1: Write the proportion equation
   4,915,864 : 10,026,900 = 10,026,900 : x
2. Step 2: Convert to fraction form
   4,915,864/10,026,900 = 10,026,900/x
3. Step 3: Cross multiply
   4,915,864x = 10,026,900 × 10,026,900
4. Step 4: Simplify right side
   4,915,864x = 100,538,723,610,000
5. Step 5: Solve for x
   x = 100,538,723,610,000/4,915,864
6. Step 6: Final answer
   x = 20,451,892.81