Finding the Third Proportional to 179,163 and 258,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,163 : 258,988.50 = 258,988.50 : x
2. Step 2: Convert to fraction form
   179,163/258,988.50 = 258,988.50/x
3. Step 3: Cross multiply
   179,163x = 258,988.50 × 258,988.50
4. Step 4: Simplify right side
   179,163x = 67,075,043,132.25
5. Step 5: Solve for x
   x = 67,075,043,132.25/179,163
6. Step 6: Final answer
   x = 374,380.00