Finding the Third Proportional to 156,739.50 and 242,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,739.50 : 242,167.50 = 242,167.50 : x
2. Step 2: Convert to fraction form
   156,739.50/242,167.50 = 242,167.50/x
3. Step 3: Cross multiply
   156,739.50x = 242,167.50 × 242,167.50
4. Step 4: Simplify right side
   156,739.50x = 58,645,098,056.25
5. Step 5: Solve for x
   x = 58,645,098,056.25/156,739.50
6. Step 6: Final answer
   x = 374,156.47