Finding the Third Proportional to 9,638,548 and 20,271,084

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,548 : 20,271,084 = 20,271,084 : x
2. Step 2: Convert to fraction form
   9,638,548/20,271,084 = 20,271,084/x
3. Step 3: Cross multiply
   9,638,548x = 20,271,084 × 20,271,084
4. Step 4: Simplify right side
   9,638,548x = 410,916,846,535,056
5. Step 5: Solve for x
   x = 410,916,846,535,056/9,638,548
6. Step 6: Final answer
   x = 42,632,650.33