Finding the Third Proportional to 30,042 and 45,711

Step by Step Solution

1. Step 1: Write the proportion equation
   30,042 : 45,711 = 45,711 : x
2. Step 2: Convert to fraction form
   30,042/45,711 = 45,711/x
3. Step 3: Cross multiply
   30,042x = 45,711 × 45,711
4. Step 4: Simplify right side
   30,042x = 2,089,495,521
5. Step 5: Solve for x
   x = 2,089,495,521/30,042
6. Step 6: Final answer
   x = 69,552.48