Finding the Third Proportional to 72,903 and 156,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,903 : 156,877.50 = 156,877.50 : x
2. Step 2: Convert to fraction form
   72,903/156,877.50 = 156,877.50/x
3. Step 3: Cross multiply
   72,903x = 156,877.50 × 156,877.50
4. Step 4: Simplify right side
   72,903x = 24,610,550,006.25
5. Step 5: Solve for x
   x = 24,610,550,006.25/72,903
6. Step 6: Final answer
   x = 337,579.39