Finding the Third Proportional to 503,725.50 and 698,166

Step by Step Solution

1. Step 1: Write the proportion equation
   503,725.50 : 698,166 = 698,166 : x
2. Step 2: Convert to fraction form
   503,725.50/698,166 = 698,166/x
3. Step 3: Cross multiply
   503,725.50x = 698,166 × 698,166
4. Step 4: Simplify right side
   503,725.50x = 487,435,763,556
5. Step 5: Solve for x
   x = 487,435,763,556/503,725.50
6. Step 6: Final answer
   x = 967,661.48