Finding the Third Proportional to 3,686,464 and 5,271,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,464 : 5,271,648 = 5,271,648 : x
2. Step 2: Convert to fraction form
   3,686,464/5,271,648 = 5,271,648/x
3. Step 3: Cross multiply
   3,686,464x = 5,271,648 × 5,271,648
4. Step 4: Simplify right side
   3,686,464x = 27,790,272,635,904
5. Step 5: Solve for x
   x = 27,790,272,635,904/3,686,464
6. Step 6: Final answer
   x = 7,538,463.05