Finding the Third Proportional to 260,742 and 549,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,742 : 549,505.50 = 549,505.50 : x
2. Step 2: Convert to fraction form
   260,742/549,505.50 = 549,505.50/x
3. Step 3: Cross multiply
   260,742x = 549,505.50 × 549,505.50
4. Step 4: Simplify right side
   260,742x = 301,956,294,530.25
5. Step 5: Solve for x
   x = 301,956,294,530.25/260,742
6. Step 6: Final answer
   x = 1,158,065.42