Finding the Third Proportional to 72,802 and 156,781

Step by Step Solution

1. Step 1: Write the proportion equation
   72,802 : 156,781 = 156,781 : x
2. Step 2: Convert to fraction form
   72,802/156,781 = 156,781/x
3. Step 3: Cross multiply
   72,802x = 156,781 × 156,781
4. Step 4: Simplify right side
   72,802x = 24,580,281,961
5. Step 5: Solve for x
   x = 24,580,281,961/72,802
6. Step 6: Final answer
   x = 337,631.96