Finding the Third Proportional to 4,973,463 and 7,478,658

Step by Step Solution

1. Step 1: Write the proportion equation
   4,973,463 : 7,478,658 = 7,478,658 : x
2. Step 2: Convert to fraction form
   4,973,463/7,478,658 = 7,478,658/x
3. Step 3: Cross multiply
   4,973,463x = 7,478,658 × 7,478,658
4. Step 4: Simplify right side
   4,973,463x = 55,930,325,480,964
5. Step 5: Solve for x
   x = 55,930,325,480,964/4,973,463
6. Step 6: Final answer
   x = 11,245,750.79