Finding the Third Proportional to 72,770 and 156,607

Step by Step Solution

1. Step 1: Write the proportion equation
   72,770 : 156,607 = 156,607 : x
2. Step 2: Convert to fraction form
   72,770/156,607 = 156,607/x
3. Step 3: Cross multiply
   72,770x = 156,607 × 156,607
4. Step 4: Simplify right side
   72,770x = 24,525,752,449
5. Step 5: Solve for x
   x = 24,525,752,449/72,770
6. Step 6: Final answer
   x = 337,031.09