Finding the Third Proportional to 288,095 and 436,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,095 : 436,117.50 = 436,117.50 : x
2. Step 2: Convert to fraction form
   288,095/436,117.50 = 436,117.50/x
3. Step 3: Cross multiply
   288,095x = 436,117.50 × 436,117.50
4. Step 4: Simplify right side
   288,095x = 190,198,473,806.25
5. Step 5: Solve for x
   x = 190,198,473,806.25/288,095
6. Step 6: Final answer
   x = 660,193.60