Finding the Third Proportional to 143,904 and 293,516

Step by Step Solution

1. Step 1: Write the proportion equation
   143,904 : 293,516 = 293,516 : x
2. Step 2: Convert to fraction form
   143,904/293,516 = 293,516/x
3. Step 3: Cross multiply
   143,904x = 293,516 × 293,516
4. Step 4: Simplify right side
   143,904x = 86,151,642,256
5. Step 5: Solve for x
   x = 86,151,642,256/143,904
6. Step 6: Final answer
   x = 598,674.41