Finding the Third Proportional to 245,411.25 and 535,170

Step by Step Solution

1. Step 1: Write the proportion equation
   245,411.25 : 535,170 = 535,170 : x
2. Step 2: Convert to fraction form
   245,411.25/535,170 = 535,170/x
3. Step 3: Cross multiply
   245,411.25x = 535,170 × 535,170
4. Step 4: Simplify right side
   245,411.25x = 286,406,928,900
5. Step 5: Solve for x
   x = 286,406,928,900/245,411.25
6. Step 6: Final answer
   x = 1,167,048.90