Finding the Third Proportional to 2,602,642 and 3,888,654

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,642 : 3,888,654 = 3,888,654 : x
2. Step 2: Convert to fraction form
   2,602,642/3,888,654 = 3,888,654/x
3. Step 3: Cross multiply
   2,602,642x = 3,888,654 × 3,888,654
4. Step 4: Simplify right side
   2,602,642x = 15,121,629,931,716
5. Step 5: Solve for x
   x = 15,121,629,931,716/2,602,642
6. Step 6: Final answer
   x = 5,810,107.55