Finding the Third Proportional to 429,588 and 848,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,588 : 848,329.50 = 848,329.50 : x
2. Step 2: Convert to fraction form
   429,588/848,329.50 = 848,329.50/x
3. Step 3: Cross multiply
   429,588x = 848,329.50 × 848,329.50
4. Step 4: Simplify right side
   429,588x = 719,662,940,570.25
5. Step 5: Solve for x
   x = 719,662,940,570.25/429,588
6. Step 6: Final answer
   x = 1,675,239.86