Finding the Third Proportional to 858,500 and 1,695,380

Step by Step Solution

1. Step 1: Write the proportion equation
   858,500 : 1,695,380 = 1,695,380 : x
2. Step 2: Convert to fraction form
   858,500/1,695,380 = 1,695,380/x
3. Step 3: Cross multiply
   858,500x = 1,695,380 × 1,695,380
4. Step 4: Simplify right side
   858,500x = 2,874,313,344,400
5. Step 5: Solve for x
   x = 2,874,313,344,400/858,500
6. Step 6: Final answer
   x = 3,348,064.47