Finding the Third Proportional to 148,452 and 317,923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,452 : 317,923.50 = 317,923.50 : x
2. Step 2: Convert to fraction form
   148,452/317,923.50 = 317,923.50/x
3. Step 3: Cross multiply
   148,452x = 317,923.50 × 317,923.50
4. Step 4: Simplify right side
   148,452x = 101,075,351,852.25
5. Step 5: Solve for x
   x = 101,075,351,852.25/148,452
6. Step 6: Final answer
   x = 680,862.18