Finding the Third Proportional to 5,687,652 and 8,721,498

Step by Step Solution

1. Step 1: Write the proportion equation
   5,687,652 : 8,721,498 = 8,721,498 : x
2. Step 2: Convert to fraction form
   5,687,652/8,721,498 = 8,721,498/x
3. Step 3: Cross multiply
   5,687,652x = 8,721,498 × 8,721,498
4. Step 4: Simplify right side
   5,687,652x = 76,064,527,364,004
5. Step 5: Solve for x
   x = 76,064,527,364,004/5,687,652
6. Step 6: Final answer
   x = 13,373,625.42