Finding the Third Proportional to 193,479 and 293,139.75

Step by Step Solution

1. Step 1: Write the proportion equation
   193,479 : 293,139.75 = 293,139.75 : x
2. Step 2: Convert to fraction form
   193,479/293,139.75 = 293,139.75/x
3. Step 3: Cross multiply
   193,479x = 293,139.75 × 293,139.75
4. Step 4: Simplify right side
   193,479x = 85,930,913,030.06
5. Step 5: Solve for x
   x = 85,930,913,030.06/193,479
6. Step 6: Final answer
   x = 444,135.61