Finding the Third Proportional to 4,639,724 and 7,098,260

Step by Step Solution

1. Step 1: Write the proportion equation
   4,639,724 : 7,098,260 = 7,098,260 : x
2. Step 2: Convert to fraction form
   4,639,724/7,098,260 = 7,098,260/x
3. Step 3: Cross multiply
   4,639,724x = 7,098,260 × 7,098,260
4. Step 4: Simplify right side
   4,639,724x = 50,385,295,027,600
5. Step 5: Solve for x
   x = 50,385,295,027,600/4,639,724
6. Step 6: Final answer
   x = 10,859,545.75