Finding the Third Proportional to 70,173 and 154,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,173 : 154,357.50 = 154,357.50 : x
2. Step 2: Convert to fraction form
   70,173/154,357.50 = 154,357.50/x
3. Step 3: Cross multiply
   70,173x = 154,357.50 × 154,357.50
4. Step 4: Simplify right side
   70,173x = 23,826,237,806.25
5. Step 5: Solve for x
   x = 23,826,237,806.25/70,173
6. Step 6: Final answer
   x = 339,535.69