Finding the Third Proportional to 388,180.69 and 848,326.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,180.69 : 848,326.50 = 848,326.50 : x
2. Step 2: Convert to fraction form
   388,180.69/848,326.50 = 848,326.50/x
3. Step 3: Cross multiply
   388,180.69x = 848,326.50 × 848,326.50
4. Step 4: Simplify right side
   388,180.69x = 719,657,850,602.25
5. Step 5: Solve for x
   x = 719,657,850,602.25/388,180.69
6. Step 6: Final answer
   x = 1,853,924.92