Finding the Third Proportional to 2,602,664 and 3,888,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,664 : 3,888,680 = 3,888,680 : x
2. Step 2: Convert to fraction form
   2,602,664/3,888,680 = 3,888,680/x
3. Step 3: Cross multiply
   2,602,664x = 3,888,680 × 3,888,680
4. Step 4: Simplify right side
   2,602,664x = 15,121,832,142,400
5. Step 5: Solve for x
   x = 15,121,832,142,400/2,602,664
6. Step 6: Final answer
   x = 5,810,136.13