Finding the Third Proportional to 549,574.50 and 784,449

Step by Step Solution

1. Step 1: Write the proportion equation
   549,574.50 : 784,449 = 784,449 : x
2. Step 2: Convert to fraction form
   549,574.50/784,449 = 784,449/x
3. Step 3: Cross multiply
   549,574.50x = 784,449 × 784,449
4. Step 4: Simplify right side
   549,574.50x = 615,360,233,601
5. Step 5: Solve for x
   x = 615,360,233,601/549,574.50
6. Step 6: Final answer
   x = 1,119,703.03