Finding the Third Proportional to 9,133,911 and 19,645,632

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133,911 : 19,645,632 = 19,645,632 : x
2. Step 2: Convert to fraction form
   9,133,911/19,645,632 = 19,645,632/x
3. Step 3: Cross multiply
   9,133,911x = 19,645,632 × 19,645,632
4. Step 4: Simplify right side
   9,133,911x = 385,950,856,679,424
5. Step 5: Solve for x
   x = 385,950,856,679,424/9,133,911
6. Step 6: Final answer
   x = 42,254,720.53