Finding the Third Proportional to 9,692,170 and 21,144,612

Step by Step Solution

1. Step 1: Write the proportion equation
   9,692,170 : 21,144,612 = 21,144,612 : x
2. Step 2: Convert to fraction form
   9,692,170/21,144,612 = 21,144,612/x
3. Step 3: Cross multiply
   9,692,170x = 21,144,612 × 21,144,612
4. Step 4: Simplify right side
   9,692,170x = 447,094,616,630,544
5. Step 5: Solve for x
   x = 447,094,616,630,544/9,692,170
6. Step 6: Final answer
   x = 46,129,464.98