Finding the Third Proportional to 148,479 and 323,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,479 : 323,758.50 = 323,758.50 : x
2. Step 2: Convert to fraction form
   148,479/323,758.50 = 323,758.50/x
3. Step 3: Cross multiply
   148,479x = 323,758.50 × 323,758.50
4. Step 4: Simplify right side
   148,479x = 104,819,566,322.25
5. Step 5: Solve for x
   x = 104,819,566,322.25/148,479
6. Step 6: Final answer
   x = 705,955.50