Finding the Third Proportional to 9,638,541 and 20,271,060

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,541 : 20,271,060 = 20,271,060 : x
2. Step 2: Convert to fraction form
   9,638,541/20,271,060 = 20,271,060/x
3. Step 3: Cross multiply
   9,638,541x = 20,271,060 × 20,271,060
4. Step 4: Simplify right side
   9,638,541x = 410,915,873,523,600
5. Step 5: Solve for x
   x = 410,915,873,523,600/9,638,541
6. Step 6: Final answer
   x = 42,632,580.34