Finding the Third Proportional to 215,048,162 and 469,147,398

Step by Step Solution

1. Step 1: Write the proportion equation
   215,048,162 : 469,147,398 = 469,147,398 : x
2. Step 2: Convert to fraction form
   215,048,162/469,147,398 = 469,147,398/x
3. Step 3: Cross multiply
   215,048,162x = 469,147,398 × 469,147,398
4. Step 4: Simplify right side
   215,048,162x = 220,099,281,050,170,400
5. Step 5: Solve for x
   x = 220,099,281,050,170,400/215,048,162
6. Step 6: Final answer
   x = 1,023,488,315.38