Finding the Third Proportional to 9,751,012 and 21,000,488

Step by Step Solution

1. Step 1: Write the proportion equation
   9,751,012 : 21,000,488 = 21,000,488 : x
2. Step 2: Convert to fraction form
   9,751,012/21,000,488 = 21,000,488/x
3. Step 3: Cross multiply
   9,751,012x = 21,000,488 × 21,000,488
4. Step 4: Simplify right side
   9,751,012x = 441,020,496,238,144
5. Step 5: Solve for x
   x = 441,020,496,238,144/9,751,012
6. Step 6: Final answer
   x = 45,228,176.96