Finding the Third Proportional to 164,416 and 353,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,416 : 353,307.50 = 353,307.50 : x
2. Step 2: Convert to fraction form
   164,416/353,307.50 = 353,307.50/x
3. Step 3: Cross multiply
   164,416x = 353,307.50 × 353,307.50
4. Step 4: Simplify right side
   164,416x = 124,826,189,556.25
5. Step 5: Solve for x
   x = 124,826,189,556.25/164,416
6. Step 6: Final answer
   x = 759,209.50