Finding the Third Proportional to 2,139,696 and 4,663,224

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,696 : 4,663,224 = 4,663,224 : x
2. Step 2: Convert to fraction form
   2,139,696/4,663,224 = 4,663,224/x
3. Step 3: Cross multiply
   2,139,696x = 4,663,224 × 4,663,224
4. Step 4: Simplify right side
   2,139,696x = 21,745,658,074,176
5. Step 5: Solve for x
   x = 21,745,658,074,176/2,139,696
6. Step 6: Final answer
   x = 10,162,966.18