Finding the Third Proportional to 3,515,846 and 5,283,129

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,846 : 5,283,129 = 5,283,129 : x
2. Step 2: Convert to fraction form
   3,515,846/5,283,129 = 5,283,129/x
3. Step 3: Cross multiply
   3,515,846x = 5,283,129 × 5,283,129
4. Step 4: Simplify right side
   3,515,846x = 27,911,452,030,641
5. Step 5: Solve for x
   x = 27,911,452,030,641/3,515,846
6. Step 6: Final answer
   x = 7,938,758.42