Finding the Third Proportional to 776,385 and 1,185,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   776,385 : 1,185,313.50 = 1,185,313.50 : x
2. Step 2: Convert to fraction form
   776,385/1,185,313.50 = 1,185,313.50/x
3. Step 3: Cross multiply
   776,385x = 1,185,313.50 × 1,185,313.50
4. Step 4: Simplify right side
   776,385x = 1,404,968,093,282.25
5. Step 5: Solve for x
   x = 1,404,968,093,282.25/776,385
6. Step 6: Final answer
   x = 1,809,628.08