Finding the Third Proportional to 67,510 and 156,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,510 : 156,290.50 = 156,290.50 : x
2. Step 2: Convert to fraction form
   67,510/156,290.50 = 156,290.50/x
3. Step 3: Cross multiply
   67,510x = 156,290.50 × 156,290.50
4. Step 4: Simplify right side
   67,510x = 24,426,720,390.25
5. Step 5: Solve for x
   x = 24,426,720,390.25/67,510
6. Step 6: Final answer
   x = 361,823.74