Finding the Third Proportional to 5,863,346 and 8,969,391

Step by Step Solution

1. Step 1: Write the proportion equation
   5,863,346 : 8,969,391 = 8,969,391 : x
2. Step 2: Convert to fraction form
   5,863,346/8,969,391 = 8,969,391/x
3. Step 3: Cross multiply
   5,863,346x = 8,969,391 × 8,969,391
4. Step 4: Simplify right side
   5,863,346x = 80,449,974,910,881
5. Step 5: Solve for x
   x = 80,449,974,910,881/5,863,346
6. Step 6: Final answer
   x = 13,720,830.21