Finding the Third Proportional to 260,723.81 and 549,468.56

Step by Step Solution

1. Step 1: Write the proportion equation
   260,723.81 : 549,468.56 = 549,468.56 : x
2. Step 2: Convert to fraction form
   260,723.81/549,468.56 = 549,468.56/x
3. Step 3: Cross multiply
   260,723.81x = 549,468.56 × 549,468.56
4. Step 4: Simplify right side
   260,723.81x = 301,915,701,175.82
5. Step 5: Solve for x
   x = 301,915,701,175.82/260,723.81
6. Step 6: Final answer
   x = 1,157,990.51