Finding the Third Proportional to 9,771,612 and 21,470,538

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771,612 : 21,470,538 = 21,470,538 : x
2. Step 2: Convert to fraction form
   9,771,612/21,470,538 = 21,470,538/x
3. Step 3: Cross multiply
   9,771,612x = 21,470,538 × 21,470,538
4. Step 4: Simplify right side
   9,771,612x = 460,984,002,009,444
5. Step 5: Solve for x
   x = 460,984,002,009,444/9,771,612
6. Step 6: Final answer
   x = 47,175,839.77