Finding the Third Proportional to 858,633 and 1,359,297

Step by Step Solution

1. Step 1: Write the proportion equation
   858,633 : 1,359,297 = 1,359,297 : x
2. Step 2: Convert to fraction form
   858,633/1,359,297 = 1,359,297/x
3. Step 3: Cross multiply
   858,633x = 1,359,297 × 1,359,297
4. Step 4: Simplify right side
   858,633x = 1,847,688,334,209
5. Step 5: Solve for x
   x = 1,847,688,334,209/858,633
6. Step 6: Final answer
   x = 2,151,895.32