Finding the Third Proportional to 9,231,786 and 21,369,938

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,786 : 21,369,938 = 21,369,938 : x
2. Step 2: Convert to fraction form
   9,231,786/21,369,938 = 21,369,938/x
3. Step 3: Cross multiply
   9,231,786x = 21,369,938 × 21,369,938
4. Step 4: Simplify right side
   9,231,786x = 456,674,250,123,844
5. Step 5: Solve for x
   x = 456,674,250,123,844/9,231,786
6. Step 6: Final answer
   x = 49,467,594.91