Finding the Third Proportional to 1,200,359.25 and 2,134,276.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,359.25 : 2,134,276.59 = 2,134,276.59 : x
2. Step 2: Convert to fraction form
   1,200,359.25/2,134,276.59 = 2,134,276.59/x
3. Step 3: Cross multiply
   1,200,359.25x = 2,134,276.59 × 2,134,276.59
4. Step 4: Simplify right side
   1,200,359.25x = 4,555,136,578,629.10
5. Step 5: Solve for x
   x = 4,555,136,578,629.10/1,200,359.25
6. Step 6: Final answer
   x = 3,794,811.08