Finding the Third Proportional to 9,707,388 and 21,126,468

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707,388 : 21,126,468 = 21,126,468 : x
2. Step 2: Convert to fraction form
   9,707,388/21,126,468 = 21,126,468/x
3. Step 3: Cross multiply
   9,707,388x = 21,126,468 × 21,126,468
4. Step 4: Simplify right side
   9,707,388x = 446,327,650,155,024
5. Step 5: Solve for x
   x = 446,327,650,155,024/9,707,388
6. Step 6: Final answer
   x = 45,978,140.58