Finding the Third Proportional to 163,512 and 288,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,512 : 288,184.50 = 288,184.50 : x
2. Step 2: Convert to fraction form
   163,512/288,184.50 = 288,184.50/x
3. Step 3: Cross multiply
   163,512x = 288,184.50 × 288,184.50
4. Step 4: Simplify right side
   163,512x = 83,050,306,040.25
5. Step 5: Solve for x
   x = 83,050,306,040.25/163,512
6. Step 6: Final answer
   x = 507,915.66