Finding the Third Proportional to 9,231,764 and 21,369,859

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,764 : 21,369,859 = 21,369,859 : x
2. Step 2: Convert to fraction form
   9,231,764/21,369,859 = 21,369,859/x
3. Step 3: Cross multiply
   9,231,764x = 21,369,859 × 21,369,859
4. Step 4: Simplify right side
   9,231,764x = 456,670,873,679,881
5. Step 5: Solve for x
   x = 456,670,873,679,881/9,231,764
6. Step 6: Final answer
   x = 49,467,347.05