Finding the Third Proportional to 4,978,498 and 7,513,544

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978,498 : 7,513,544 = 7,513,544 : x
2. Step 2: Convert to fraction form
   4,978,498/7,513,544 = 7,513,544/x
3. Step 3: Cross multiply
   4,978,498x = 7,513,544 × 7,513,544
4. Step 4: Simplify right side
   4,978,498x = 56,453,343,439,936
5. Step 5: Solve for x
   x = 56,453,343,439,936/4,978,498
6. Step 6: Final answer
   x = 11,339,432.78