Finding the Third Proportional to 5,073,428 and 7,428,126

Step by Step Solution

1. Step 1: Write the proportion equation
   5,073,428 : 7,428,126 = 7,428,126 : x
2. Step 2: Convert to fraction form
   5,073,428/7,428,126 = 7,428,126/x
3. Step 3: Cross multiply
   5,073,428x = 7,428,126 × 7,428,126
4. Step 4: Simplify right side
   5,073,428x = 55,177,055,871,876
5. Step 5: Solve for x
   x = 55,177,055,871,876/5,073,428
6. Step 6: Final answer
   x = 10,875,695.07