Finding the Third Proportional to 1,783,398 and 3,865,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783,398 : 3,865,516 = 3,865,516 : x
2. Step 2: Convert to fraction form
   1,783,398/3,865,516 = 3,865,516/x
3. Step 3: Cross multiply
   1,783,398x = 3,865,516 × 3,865,516
4. Step 4: Simplify right side
   1,783,398x = 14,942,213,946,256
5. Step 5: Solve for x
   x = 14,942,213,946,256/1,783,398
6. Step 6: Final answer
   x = 8,378,507.74