Finding the Third Proportional to 9,751,042 and 21,000,548

Step by Step Solution

1. Step 1: Write the proportion equation
   9,751,042 : 21,000,548 = 21,000,548 : x
2. Step 2: Convert to fraction form
   9,751,042/21,000,548 = 21,000,548/x
3. Step 3: Cross multiply
   9,751,042x = 21,000,548 × 21,000,548
4. Step 4: Simplify right side
   9,751,042x = 441,023,016,300,304
5. Step 5: Solve for x
   x = 441,023,016,300,304/9,751,042
6. Step 6: Final answer
   x = 45,228,296.25