Finding the Third Proportional to 21,337,410 and 30,490,697

Step by Step Solution

1. Step 1: Write the proportion equation
   21,337,410 : 30,490,697 = 30,490,697 : x
2. Step 2: Convert to fraction form
   21,337,410/30,490,697 = 30,490,697/x
3. Step 3: Cross multiply
   21,337,410x = 30,490,697 × 30,490,697
4. Step 4: Simplify right side
   21,337,410x = 929,682,603,545,809
5. Step 5: Solve for x
   x = 929,682,603,545,809/21,337,410
6. Step 6: Final answer
   x = 43,570,545.98