Finding the Third Proportional to 10,427,244 and 21,807,888

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427,244 : 21,807,888 = 21,807,888 : x
2. Step 2: Convert to fraction form
   10,427,244/21,807,888 = 21,807,888/x
3. Step 3: Cross multiply
   10,427,244x = 21,807,888 × 21,807,888
4. Step 4: Simplify right side
   10,427,244x = 475,583,979,020,544
5. Step 5: Solve for x
   x = 475,583,979,020,544/10,427,244
6. Step 6: Final answer
   x = 45,609,748.75