Finding the Third Proportional to 136,930.50 and 295,731

Step by Step Solution

1. Step 1: Write the proportion equation
   136,930.50 : 295,731 = 295,731 : x
2. Step 2: Convert to fraction form
   136,930.50/295,731 = 295,731/x
3. Step 3: Cross multiply
   136,930.50x = 295,731 × 295,731
4. Step 4: Simplify right side
   136,930.50x = 87,456,824,361
5. Step 5: Solve for x
   x = 87,456,824,361/136,930.50
6. Step 6: Final answer
   x = 638,694.99