Finding the Third Proportional to 9,971,006 and 21,689,038

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971,006 : 21,689,038 = 21,689,038 : x
2. Step 2: Convert to fraction form
   9,971,006/21,689,038 = 21,689,038/x
3. Step 3: Cross multiply
   9,971,006x = 21,689,038 × 21,689,038
4. Step 4: Simplify right side
   9,971,006x = 470,414,369,365,444
5. Step 5: Solve for x
   x = 470,414,369,365,444/9,971,006
6. Step 6: Final answer
   x = 47,178,225.48