Finding the Third Proportional to 756,436.50 and 1,619,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   756,436.50 : 1,619,905.50 = 1,619,905.50 : x
2. Step 2: Convert to fraction form
   756,436.50/1,619,905.50 = 1,619,905.50/x
3. Step 3: Cross multiply
   756,436.50x = 1,619,905.50 × 1,619,905.50
4. Step 4: Simplify right side
   756,436.50x = 2,624,093,828,930.25
5. Step 5: Solve for x
   x = 2,624,093,828,930.25/756,436.50
6. Step 6: Final answer
   x = 3,469,020.64