Finding the Third Proportional to 72,630 and 151,912

Step by Step Solution

1. Step 1: Write the proportion equation
   72,630 : 151,912 = 151,912 : x
2. Step 2: Convert to fraction form
   72,630/151,912 = 151,912/x
3. Step 3: Cross multiply
   72,630x = 151,912 × 151,912
4. Step 4: Simplify right side
   72,630x = 23,077,255,744
5. Step 5: Solve for x
   x = 23,077,255,744/72,630
6. Step 6: Final answer
   x = 317,737.24