Finding the Third Proportional to 409,594.50 and 851,895

Step by Step Solution

1. Step 1: Write the proportion equation
   409,594.50 : 851,895 = 851,895 : x
2. Step 2: Convert to fraction form
   409,594.50/851,895 = 851,895/x
3. Step 3: Cross multiply
   409,594.50x = 851,895 × 851,895
4. Step 4: Simplify right side
   409,594.50x = 725,725,091,025
5. Step 5: Solve for x
   x = 725,725,091,025/409,594.50
6. Step 6: Final answer
   x = 1,771,813.56