Finding the Third Proportional to 286,380 and 565,530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   286,380 : 565,530.75 = 565,530.75 : x
2. Step 2: Convert to fraction form
   286,380/565,530.75 = 565,530.75/x
3. Step 3: Cross multiply
   286,380x = 565,530.75 × 565,530.75
4. Step 4: Simplify right side
   286,380x = 319,825,029,195.56
5. Step 5: Solve for x
   x = 319,825,029,195.56/286,380
6. Step 6: Final answer
   x = 1,116,785.49