Finding the Third Proportional to 785,776.50 and 1,715,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   785,776.50 : 1,715,485.50 = 1,715,485.50 : x
2. Step 2: Convert to fraction form
   785,776.50/1,715,485.50 = 1,715,485.50/x
3. Step 3: Cross multiply
   785,776.50x = 1,715,485.50 × 1,715,485.50
4. Step 4: Simplify right side
   785,776.50x = 2,942,890,500,710.25
5. Step 5: Solve for x
   x = 2,942,890,500,710.25/785,776.50
6. Step 6: Final answer
   x = 3,745,200.45