Finding the Third Proportional to 4,639,736 and 7,098,276

Step by Step Solution

1. Step 1: Write the proportion equation
   4,639,736 : 7,098,276 = 7,098,276 : x
2. Step 2: Convert to fraction form
   4,639,736/7,098,276 = 7,098,276/x
3. Step 3: Cross multiply
   4,639,736x = 7,098,276 × 7,098,276
4. Step 4: Simplify right side
   4,639,736x = 50,385,522,172,176
5. Step 5: Solve for x
   x = 50,385,522,172,176/4,639,736
6. Step 6: Final answer
   x = 10,859,566.62