Finding the Third Proportional to 5,451,572 and 8,404,797

Step by Step Solution

1. Step 1: Write the proportion equation
   5,451,572 : 8,404,797 = 8,404,797 : x
2. Step 2: Convert to fraction form
   5,451,572/8,404,797 = 8,404,797/x
3. Step 3: Cross multiply
   5,451,572x = 8,404,797 × 8,404,797
4. Step 4: Simplify right side
   5,451,572x = 70,640,612,611,209
5. Step 5: Solve for x
   x = 70,640,612,611,209/5,451,572
6. Step 6: Final answer
   x = 12,957,842.73