Finding the Third Proportional to 377,003.25 and 780,250.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,003.25 : 780,250.50 = 780,250.50 : x
2. Step 2: Convert to fraction form
   377,003.25/780,250.50 = 780,250.50/x
3. Step 3: Cross multiply
   377,003.25x = 780,250.50 × 780,250.50
4. Step 4: Simplify right side
   377,003.25x = 608,790,842,750.25
5. Step 5: Solve for x
   x = 608,790,842,750.25/377,003.25
6. Step 6: Final answer
   x = 1,614,815.90