Finding the Third Proportional to 4,443,280 and 9,201,632

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443,280 : 9,201,632 = 9,201,632 : x
2. Step 2: Convert to fraction form
   4,443,280/9,201,632 = 9,201,632/x
3. Step 3: Cross multiply
   4,443,280x = 9,201,632 × 9,201,632
4. Step 4: Simplify right side
   4,443,280x = 84,670,031,463,424
5. Step 5: Solve for x
   x = 84,670,031,463,424/4,443,280
6. Step 6: Final answer
   x = 19,055,749.69