Finding the Third Proportional to 5,423,912 and 7,358,028

Step by Step Solution

1. Step 1: Write the proportion equation
   5,423,912 : 7,358,028 = 7,358,028 : x
2. Step 2: Convert to fraction form
   5,423,912/7,358,028 = 7,358,028/x
3. Step 3: Cross multiply
   5,423,912x = 7,358,028 × 7,358,028
4. Step 4: Simplify right side
   5,423,912x = 54,140,576,048,784
5. Step 5: Solve for x
   x = 54,140,576,048,784/5,423,912
6. Step 6: Final answer
   x = 9,981,831.57