Finding the Third Proportional to 140,806 and 293,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,806 : 293,262.50 = 293,262.50 : x
2. Step 2: Convert to fraction form
   140,806/293,262.50 = 293,262.50/x
3. Step 3: Cross multiply
   140,806x = 293,262.50 × 293,262.50
4. Step 4: Simplify right side
   140,806x = 86,002,893,906.25
5. Step 5: Solve for x
   x = 86,002,893,906.25/140,806
6. Step 6: Final answer
   x = 610,789.98