Finding the Third Proportional to 152,966.50 and 328,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,966.50 : 328,075.50 = 328,075.50 : x
2. Step 2: Convert to fraction form
   152,966.50/328,075.50 = 328,075.50/x
3. Step 3: Cross multiply
   152,966.50x = 328,075.50 × 328,075.50
4. Step 4: Simplify right side
   152,966.50x = 107,633,533,700.25
5. Step 5: Solve for x
   x = 107,633,533,700.25/152,966.50
6. Step 6: Final answer
   x = 703,641.21