Finding the Third Proportional to 5,073,436 and 7,428,138

Step by Step Solution

1. Step 1: Write the proportion equation
   5,073,436 : 7,428,138 = 7,428,138 : x
2. Step 2: Convert to fraction form
   5,073,436/7,428,138 = 7,428,138/x
3. Step 3: Cross multiply
   5,073,436x = 7,428,138 × 7,428,138
4. Step 4: Simplify right side
   5,073,436x = 55,177,234,147,044
5. Step 5: Solve for x
   x = 55,177,234,147,044/5,073,436
6. Step 6: Final answer
   x = 10,875,713.06