Finding the Third Proportional to 867,718 and 1,777,715

Step by Step Solution

1. Step 1: Write the proportion equation
   867,718 : 1,777,715 = 1,777,715 : x
2. Step 2: Convert to fraction form
   867,718/1,777,715 = 1,777,715/x
3. Step 3: Cross multiply
   867,718x = 1,777,715 × 1,777,715
4. Step 4: Simplify right side
   867,718x = 3,160,270,621,225
5. Step 5: Solve for x
   x = 3,160,270,621,225/867,718
6. Step 6: Final answer
   x = 3,642,048.02