Finding the Third Proportional to 2,139,696 and 4,663,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,696 : 4,663,008 = 4,663,008 : x
2. Step 2: Convert to fraction form
   2,139,696/4,663,008 = 4,663,008/x
3. Step 3: Cross multiply
   2,139,696x = 4,663,008 × 4,663,008
4. Step 4: Simplify right side
   2,139,696x = 21,743,643,608,064
5. Step 5: Solve for x
   x = 21,743,643,608,064/2,139,696
6. Step 6: Final answer
   x = 10,162,024.70