Finding the Third Proportional to 12,922,308 and 20,006,574

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,308 : 20,006,574 = 20,006,574 : x
2. Step 2: Convert to fraction form
   12,922,308/20,006,574 = 20,006,574/x
3. Step 3: Cross multiply
   12,922,308x = 20,006,574 × 20,006,574
4. Step 4: Simplify right side
   12,922,308x = 400,263,003,217,476
5. Step 5: Solve for x
   x = 400,263,003,217,476/12,922,308
6. Step 6: Final answer
   x = 30,974,575.38