Finding the Third Proportional to 5,453,338 and 8,455,598

Step by Step Solution

1. Step 1: Write the proportion equation
   5,453,338 : 8,455,598 = 8,455,598 : x
2. Step 2: Convert to fraction form
   5,453,338/8,455,598 = 8,455,598/x
3. Step 3: Cross multiply
   5,453,338x = 8,455,598 × 8,455,598
4. Step 4: Simplify right side
   5,453,338x = 71,497,137,537,604
5. Step 5: Solve for x
   x = 71,497,137,537,604/5,453,338
6. Step 6: Final answer
   x = 13,110,710.82