Finding the Third Proportional to 323,178 and 707,916

Step by Step Solution

1. Step 1: Write the proportion equation
   323,178 : 707,916 = 707,916 : x
2. Step 2: Convert to fraction form
   323,178/707,916 = 707,916/x
3. Step 3: Cross multiply
   323,178x = 707,916 × 707,916
4. Step 4: Simplify right side
   323,178x = 501,145,063,056
5. Step 5: Solve for x
   x = 501,145,063,056/323,178
6. Step 6: Final answer
   x = 1,550,678.15