Finding the Third Proportional to 67,023.50 and 145,711

Step by Step Solution

1. Step 1: Write the proportion equation
   67,023.50 : 145,711 = 145,711 : x
2. Step 2: Convert to fraction form
   67,023.50/145,711 = 145,711/x
3. Step 3: Cross multiply
   67,023.50x = 145,711 × 145,711
4. Step 4: Simplify right side
   67,023.50x = 21,231,695,521
5. Step 5: Solve for x
   x = 21,231,695,521/67,023.50
6. Step 6: Final answer
   x = 316,779.87