Finding the Third Proportional to 152,977.50 and 328,100.63

Step by Step Solution

1. Step 1: Write the proportion equation
   152,977.50 : 328,100.63 = 328,100.63 : x
2. Step 2: Convert to fraction form
   152,977.50/328,100.63 = 328,100.63/x
3. Step 3: Cross multiply
   152,977.50x = 328,100.63 × 328,100.63
4. Step 4: Simplify right side
   152,977.50x = 107,650,020,125.39
5. Step 5: Solve for x
   x = 107,650,020,125.39/152,977.50
6. Step 6: Final answer
   x = 703,698.39