Finding the Third Proportional to 140,873 and 293,392

Step by Step Solution

1. Step 1: Write the proportion equation
   140,873 : 293,392 = 293,392 : x
2. Step 2: Convert to fraction form
   140,873/293,392 = 293,392/x
3. Step 3: Cross multiply
   140,873x = 293,392 × 293,392
4. Step 4: Simplify right side
   140,873x = 86,078,865,664
5. Step 5: Solve for x
   x = 86,078,865,664/140,873
6. Step 6: Final answer
   x = 611,038.78