Finding the Third Proportional to 170,076 and 354,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,076 : 354,139.50 = 354,139.50 : x
2. Step 2: Convert to fraction form
   170,076/354,139.50 = 354,139.50/x
3. Step 3: Cross multiply
   170,076x = 354,139.50 × 354,139.50
4. Step 4: Simplify right side
   170,076x = 125,414,785,460.25
5. Step 5: Solve for x
   x = 125,414,785,460.25/170,076
6. Step 6: Final answer
   x = 737,404.37