Finding the Third Proportional to 156,688.50 and 238,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,688.50 : 238,705.50 = 238,705.50 : x
2. Step 2: Convert to fraction form
   156,688.50/238,705.50 = 238,705.50/x
3. Step 3: Cross multiply
   156,688.50x = 238,705.50 × 238,705.50
4. Step 4: Simplify right side
   156,688.50x = 56,980,315,730.25
5. Step 5: Solve for x
   x = 56,980,315,730.25/156,688.50
6. Step 6: Final answer
   x = 363,653.46