Finding the Third Proportional to 9,707,535 and 21,109,428

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707,535 : 21,109,428 = 21,109,428 : x
2. Step 2: Convert to fraction form
   9,707,535/21,109,428 = 21,109,428/x
3. Step 3: Cross multiply
   9,707,535x = 21,109,428 × 21,109,428
4. Step 4: Simplify right side
   9,707,535x = 445,607,950,487,184
5. Step 5: Solve for x
   x = 445,607,950,487,184/9,707,535
6. Step 6: Final answer
   x = 45,903,306.09