Finding the Third Proportional to 5,475,898 and 8,512,522

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475,898 : 8,512,522 = 8,512,522 : x
2. Step 2: Convert to fraction form
   5,475,898/8,512,522 = 8,512,522/x
3. Step 3: Cross multiply
   5,475,898x = 8,512,522 × 8,512,522
4. Step 4: Simplify right side
   5,475,898x = 72,463,030,800,484
5. Step 5: Solve for x
   x = 72,463,030,800,484/5,475,898
6. Step 6: Final answer
   x = 13,233,086.30