Finding the Third Proportional to 9,021,910 and 21,290,093

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021,910 : 21,290,093 = 21,290,093 : x
2. Step 2: Convert to fraction form
   9,021,910/21,290,093 = 21,290,093/x
3. Step 3: Cross multiply
   9,021,910x = 21,290,093 × 21,290,093
4. Step 4: Simplify right side
   9,021,910x = 453,268,059,948,649
5. Step 5: Solve for x
   x = 453,268,059,948,649/9,021,910
6. Step 6: Final answer
   x = 50,240,809.31