Finding the Third Proportional to 72,997.50 and 156,905.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,997.50 : 156,905.25 = 156,905.25 : x
2. Step 2: Convert to fraction form
   72,997.50/156,905.25 = 156,905.25/x
3. Step 3: Cross multiply
   72,997.50x = 156,905.25 × 156,905.25
4. Step 4: Simplify right side
   72,997.50x = 24,619,257,477.56
5. Step 5: Solve for x
   x = 24,619,257,477.56/72,997.50
6. Step 6: Final answer
   x = 337,261.65