Finding the Third Proportional to 1,119,221.72 and 2,398,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119,221.72 : 2,398,140 = 2,398,140 : x
2. Step 2: Convert to fraction form
   1,119,221.72/2,398,140 = 2,398,140/x
3. Step 3: Cross multiply
   1,119,221.72x = 2,398,140 × 2,398,140
4. Step 4: Simplify right side
   1,119,221.72x = 5,751,075,459,600
5. Step 5: Solve for x
   x = 5,751,075,459,600/1,119,221.72
6. Step 6: Final answer
   x = 5,138,459.49