Finding the Third Proportional to 3,619,903 and 7,490,357

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619,903 : 7,490,357 = 7,490,357 : x
2. Step 2: Convert to fraction form
   3,619,903/7,490,357 = 7,490,357/x
3. Step 3: Cross multiply
   3,619,903x = 7,490,357 × 7,490,357
4. Step 4: Simplify right side
   3,619,903x = 56,105,447,987,449
5. Step 5: Solve for x
   x = 56,105,447,987,449/3,619,903
6. Step 6: Final answer
   x = 15,499,157.85