Finding the Third Proportional to 395,784.75 and 771,884

Step by Step Solution

1. Step 1: Write the proportion equation
   395,784.75 : 771,884 = 771,884 : x
2. Step 2: Convert to fraction form
   395,784.75/771,884 = 771,884/x
3. Step 3: Cross multiply
   395,784.75x = 771,884 × 771,884
4. Step 4: Simplify right side
   395,784.75x = 595,804,909,456
5. Step 5: Solve for x
   x = 595,804,909,456/395,784.75
6. Step 6: Final answer
   x = 1,505,376.12