Finding the Third Proportional to 867,812 and 1,777,900

Step by Step Solution

1. Step 1: Write the proportion equation
   867,812 : 1,777,900 = 1,777,900 : x
2. Step 2: Convert to fraction form
   867,812/1,777,900 = 1,777,900/x
3. Step 3: Cross multiply
   867,812x = 1,777,900 × 1,777,900
4. Step 4: Simplify right side
   867,812x = 3,160,928,410,000
5. Step 5: Solve for x
   x = 3,160,928,410,000/867,812
6. Step 6: Final answer
   x = 3,642,411.50