Finding the Third Proportional to 4,639,732 and 7,098,272

Step by Step Solution

1. Step 1: Write the proportion equation
   4,639,732 : 7,098,272 = 7,098,272 : x
2. Step 2: Convert to fraction form
   4,639,732/7,098,272 = 7,098,272/x
3. Step 3: Cross multiply
   4,639,732x = 7,098,272 × 7,098,272
4. Step 4: Simplify right side
   4,639,732x = 50,385,465,385,984
5. Step 5: Solve for x
   x = 50,385,465,385,984/4,639,732
6. Step 6: Final answer
   x = 10,859,563.74