Finding the Third Proportional to 387,150 and 848,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,150 : 848,650.50 = 848,650.50 : x
2. Step 2: Convert to fraction form
   387,150/848,650.50 = 848,650.50/x
3. Step 3: Cross multiply
   387,150x = 848,650.50 × 848,650.50
4. Step 4: Simplify right side
   387,150x = 720,207,671,150.25
5. Step 5: Solve for x
   x = 720,207,671,150.25/387,150
6. Step 6: Final answer
   x = 1,860,280.70