Finding the Third Proportional to 5,108,546 and 7,438,179

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108,546 : 7,438,179 = 7,438,179 : x
2. Step 2: Convert to fraction form
   5,108,546/7,438,179 = 7,438,179/x
3. Step 3: Cross multiply
   5,108,546x = 7,438,179 × 7,438,179
4. Step 4: Simplify right side
   5,108,546x = 55,326,506,836,041
5. Step 5: Solve for x
   x = 55,326,506,836,041/5,108,546
6. Step 6: Final answer
   x = 10,830,186.68