Finding the Third Proportional to 72,752 and 156,970

Step by Step Solution

1. Step 1: Write the proportion equation
   72,752 : 156,970 = 156,970 : x
2. Step 2: Convert to fraction form
   72,752/156,970 = 156,970/x
3. Step 3: Cross multiply
   72,752x = 156,970 × 156,970
4. Step 4: Simplify right side
   72,752x = 24,639,580,900
5. Step 5: Solve for x
   x = 24,639,580,900/72,752
6. Step 6: Final answer
   x = 338,679.09