Finding the Third Proportional to 5,301,889 and 8,159,511

Step by Step Solution

1. Step 1: Write the proportion equation
   5,301,889 : 8,159,511 = 8,159,511 : x
2. Step 2: Convert to fraction form
   5,301,889/8,159,511 = 8,159,511/x
3. Step 3: Cross multiply
   5,301,889x = 8,159,511 × 8,159,511
4. Step 4: Simplify right side
   5,301,889x = 66,577,619,759,121
5. Step 5: Solve for x
   x = 66,577,619,759,121/5,301,889
6. Step 6: Final answer
   x = 12,557,339.42