Finding the Third Proportional to 151,483.50 and 328,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,483.50 : 328,039.50 = 328,039.50 : x
2. Step 2: Convert to fraction form
   151,483.50/328,039.50 = 328,039.50/x
3. Step 3: Cross multiply
   151,483.50x = 328,039.50 × 328,039.50
4. Step 4: Simplify right side
   151,483.50x = 107,609,913,560.25
5. Step 5: Solve for x
   x = 107,609,913,560.25/151,483.50
6. Step 6: Final answer
   x = 710,373.83