Finding the Third Proportional to 4,650,444 and 9,973,566

Step by Step Solution

1. Step 1: Write the proportion equation
   4,650,444 : 9,973,566 = 9,973,566 : x
2. Step 2: Convert to fraction form
   4,650,444/9,973,566 = 9,973,566/x
3. Step 3: Cross multiply
   4,650,444x = 9,973,566 × 9,973,566
4. Step 4: Simplify right side
   4,650,444x = 99,472,018,756,356
5. Step 5: Solve for x
   x = 99,472,018,756,356/4,650,444
6. Step 6: Final answer
   x = 21,389,789.61