Finding the Third Proportional to 4,907,187 and 7,449,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,907,187 : 7,449,072 = 7,449,072 : x
2. Step 2: Convert to fraction form
   4,907,187/7,449,072 = 7,449,072/x
3. Step 3: Cross multiply
   4,907,187x = 7,449,072 × 7,449,072
4. Step 4: Simplify right side
   4,907,187x = 55,488,673,661,184
5. Step 5: Solve for x
   x = 55,488,673,661,184/4,907,187
6. Step 6: Final answer
   x = 11,307,633.82