Finding the Third Proportional to 429,577.50 and 848,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,577.50 : 848,314.50 = 848,314.50 : x
2. Step 2: Convert to fraction form
   429,577.50/848,314.50 = 848,314.50/x
3. Step 3: Cross multiply
   429,577.50x = 848,314.50 × 848,314.50
4. Step 4: Simplify right side
   429,577.50x = 719,637,490,910.25
5. Step 5: Solve for x
   x = 719,637,490,910.25/429,577.50
6. Step 6: Final answer
   x = 1,675,221.56