Finding the Third Proportional to 783,820 and 1,145,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   783,820 : 1,145,485.50 = 1,145,485.50 : x
2. Step 2: Convert to fraction form
   783,820/1,145,485.50 = 1,145,485.50/x
3. Step 3: Cross multiply
   783,820x = 1,145,485.50 × 1,145,485.50
4. Step 4: Simplify right side
   783,820x = 1,312,137,030,710.25
5. Step 5: Solve for x
   x = 1,312,137,030,710.25/783,820
6. Step 6: Final answer
   x = 1,674,028.52