Finding the Third Proportional to 72,587 and 156,298

Step by Step Solution

1. Step 1: Write the proportion equation
   72,587 : 156,298 = 156,298 : x
2. Step 2: Convert to fraction form
   72,587/156,298 = 156,298/x
3. Step 3: Cross multiply
   72,587x = 156,298 × 156,298
4. Step 4: Simplify right side
   72,587x = 24,429,064,804
5. Step 5: Solve for x
   x = 24,429,064,804/72,587
6. Step 6: Final answer
   x = 336,548.76