Finding the Third Proportional to 1,041,155.25 and 2,111,288.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041,155.25 : 2,111,288.25 = 2,111,288.25 : x
2. Step 2: Convert to fraction form
   1,041,155.25/2,111,288.25 = 2,111,288.25/x
3. Step 3: Cross multiply
   1,041,155.25x = 2,111,288.25 × 2,111,288.25
4. Step 4: Simplify right side
   1,041,155.25x = 4,457,538,074,588.06
5. Step 5: Solve for x
   x = 4,457,538,074,588.06/1,041,155.25
6. Step 6: Final answer
   x = 4,281,338.52