Finding the Third Proportional to 867,402 and 1,879,605

Step by Step Solution

1. Step 1: Write the proportion equation
   867,402 : 1,879,605 = 1,879,605 : x
2. Step 2: Convert to fraction form
   867,402/1,879,605 = 1,879,605/x
3. Step 3: Cross multiply
   867,402x = 1,879,605 × 1,879,605
4. Step 4: Simplify right side
   867,402x = 3,532,914,956,025
5. Step 5: Solve for x
   x = 3,532,914,956,025/867,402
6. Step 6: Final answer
   x = 4,072,984.56