Finding the Third Proportional to 4,438,346 and 9,562,320

Step by Step Solution

1. Step 1: Write the proportion equation
   4,438,346 : 9,562,320 = 9,562,320 : x
2. Step 2: Convert to fraction form
   4,438,346/9,562,320 = 9,562,320/x
3. Step 3: Cross multiply
   4,438,346x = 9,562,320 × 9,562,320
4. Step 4: Simplify right side
   4,438,346x = 91,437,963,782,400
5. Step 5: Solve for x
   x = 91,437,963,782,400/4,438,346
6. Step 6: Final answer
   x = 20,601,810.63