Finding the Third Proportional to 138,064.50 and 284,937

Step by Step Solution

1. Step 1: Write the proportion equation
   138,064.50 : 284,937 = 284,937 : x
2. Step 2: Convert to fraction form
   138,064.50/284,937 = 284,937/x
3. Step 3: Cross multiply
   138,064.50x = 284,937 × 284,937
4. Step 4: Simplify right side
   138,064.50x = 81,189,093,969
5. Step 5: Solve for x
   x = 81,189,093,969/138,064.50
6. Step 6: Final answer
   x = 588,051.92