Finding the Third Proportional to 5,455,536 and 8,388,018

Step by Step Solution

1. Step 1: Write the proportion equation
   5,455,536 : 8,388,018 = 8,388,018 : x
2. Step 2: Convert to fraction form
   5,455,536/8,388,018 = 8,388,018/x
3. Step 3: Cross multiply
   5,455,536x = 8,388,018 × 8,388,018
4. Step 4: Simplify right side
   5,455,536x = 70,358,845,968,324
5. Step 5: Solve for x
   x = 70,358,845,968,324/5,455,536
6. Step 6: Final answer
   x = 12,896,779.71