Finding the Third Proportional to 9,492,588 and 20,710,128

Step by Step Solution

1. Step 1: Write the proportion equation
   9,492,588 : 20,710,128 = 20,710,128 : x
2. Step 2: Convert to fraction form
   9,492,588/20,710,128 = 20,710,128/x
3. Step 3: Cross multiply
   9,492,588x = 20,710,128 × 20,710,128
4. Step 4: Simplify right side
   9,492,588x = 428,909,401,776,384
5. Step 5: Solve for x
   x = 428,909,401,776,384/9,492,588
6. Step 6: Final answer
   x = 45,183,610.81