Finding the Third Proportional to 4,881,926 and 10,210,000

Step by Step Solution

1. Step 1: Write the proportion equation
   4,881,926 : 10,210,000 = 10,210,000 : x
2. Step 2: Convert to fraction form
   4,881,926/10,210,000 = 10,210,000/x
3. Step 3: Cross multiply
   4,881,926x = 10,210,000 × 10,210,000
4. Step 4: Simplify right side
   4,881,926x = 104,244,100,000,000
5. Step 5: Solve for x
   x = 104,244,100,000,000/4,881,926
6. Step 6: Final answer
   x = 21,353,068.44