Finding the Third Proportional to 164,017.50 and 353,190

Step by Step Solution

1. Step 1: Write the proportion equation
   164,017.50 : 353,190 = 353,190 : x
2. Step 2: Convert to fraction form
   164,017.50/353,190 = 353,190/x
3. Step 3: Cross multiply
   164,017.50x = 353,190 × 353,190
4. Step 4: Simplify right side
   164,017.50x = 124,743,176,100
5. Step 5: Solve for x
   x = 124,743,176,100/164,017.50
6. Step 6: Final answer
   x = 760,547.97