Finding the Third Proportional to 153,383.50 and 328,091

Step by Step Solution

1. Step 1: Write the proportion equation
   153,383.50 : 328,091 = 328,091 : x
2. Step 2: Convert to fraction form
   153,383.50/328,091 = 328,091/x
3. Step 3: Cross multiply
   153,383.50x = 328,091 × 328,091
4. Step 4: Simplify right side
   153,383.50x = 107,643,704,281
5. Step 5: Solve for x
   x = 107,643,704,281/153,383.50
6. Step 6: Final answer
   x = 701,794.55