Finding the Third Proportional to 5,475,870 and 8,512,483

Step by Step Solution

1. Step 1: Write the proportion equation
   5,475,870 : 8,512,483 = 8,512,483 : x
2. Step 2: Convert to fraction form
   5,475,870/8,512,483 = 8,512,483/x
3. Step 3: Cross multiply
   5,475,870x = 8,512,483 × 8,512,483
4. Step 4: Simplify right side
   5,475,870x = 72,462,366,825,289
5. Step 5: Solve for x
   x = 72,462,366,825,289/5,475,870
6. Step 6: Final answer
   x = 13,233,032.71