Finding the Third Proportional to 156,326 and 242,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,326 : 242,211.50 = 242,211.50 : x
2. Step 2: Convert to fraction form
   156,326/242,211.50 = 242,211.50/x
3. Step 3: Cross multiply
   156,326x = 242,211.50 × 242,211.50
4. Step 4: Simplify right side
   156,326x = 58,666,410,732.25
5. Step 5: Solve for x
   x = 58,666,410,732.25/156,326
6. Step 6: Final answer
   x = 375,282.49