Finding the Third Proportional to 140,764.50 and 293,178

Step by Step Solution

1. Step 1: Write the proportion equation
   140,764.50 : 293,178 = 293,178 : x
2. Step 2: Convert to fraction form
   140,764.50/293,178 = 293,178/x
3. Step 3: Cross multiply
   140,764.50x = 293,178 × 293,178
4. Step 4: Simplify right side
   140,764.50x = 85,953,339,684
5. Step 5: Solve for x
   x = 85,953,339,684/140,764.50
6. Step 6: Final answer
   x = 610,618.02