Finding the Third Proportional to 4,639,808 and 7,098,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,639,808 : 7,098,368 = 7,098,368 : x
2. Step 2: Convert to fraction form
   4,639,808/7,098,368 = 7,098,368/x
3. Step 3: Cross multiply
   4,639,808x = 7,098,368 × 7,098,368
4. Step 4: Simplify right side
   4,639,808x = 50,386,828,263,424
5. Step 5: Solve for x
   x = 50,386,828,263,424/4,639,808
6. Step 6: Final answer
   x = 10,859,679.60