Finding the Third Proportional to 5,073,440 and 7,428,144

Step by Step Solution

1. Step 1: Write the proportion equation
   5,073,440 : 7,428,144 = 7,428,144 : x
2. Step 2: Convert to fraction form
   5,073,440/7,428,144 = 7,428,144/x
3. Step 3: Cross multiply
   5,073,440x = 7,428,144 × 7,428,144
4. Step 4: Simplify right side
   5,073,440x = 55,177,323,284,736
5. Step 5: Solve for x
   x = 55,177,323,284,736/5,073,440
6. Step 6: Final answer
   x = 10,875,722.05