Finding the Third Proportional to 1,380,357.50 and 2,827,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,357.50 : 2,827,643.50 = 2,827,643.50 : x
2. Step 2: Convert to fraction form
   1,380,357.50/2,827,643.50 = 2,827,643.50/x
3. Step 3: Cross multiply
   1,380,357.50x = 2,827,643.50 × 2,827,643.50
4. Step 4: Simplify right side
   1,380,357.50x = 7,995,567,763,092.25
5. Step 5: Solve for x
   x = 7,995,567,763,092.25/1,380,357.50
6. Step 6: Final answer
   x = 5,792,389.12