Finding the Third Proportional to 156,843 and 243,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,843 : 243,040.50 = 243,040.50 : x
2. Step 2: Convert to fraction form
   156,843/243,040.50 = 243,040.50/x
3. Step 3: Cross multiply
   156,843x = 243,040.50 × 243,040.50
4. Step 4: Simplify right side
   156,843x = 59,068,684,640.25
5. Step 5: Solve for x
   x = 59,068,684,640.25/156,843
6. Step 6: Final answer
   x = 376,610.27