Finding the Third Proportional to 1,838,274 and 3,888,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,274 : 3,888,516 = 3,888,516 : x
2. Step 2: Convert to fraction form
   1,838,274/3,888,516 = 3,888,516/x
3. Step 3: Cross multiply
   1,838,274x = 3,888,516 × 3,888,516
4. Step 4: Simplify right side
   1,838,274x = 15,120,556,682,256
5. Step 5: Solve for x
   x = 15,120,556,682,256/1,838,274
6. Step 6: Final answer
   x = 8,225,409.64