Finding the Third Proportional to 156,654 and 238,659

Step by Step Solution

1. Step 1: Write the proportion equation
   156,654 : 238,659 = 238,659 : x
2. Step 2: Convert to fraction form
   156,654/238,659 = 238,659/x
3. Step 3: Cross multiply
   156,654x = 238,659 × 238,659
4. Step 4: Simplify right side
   156,654x = 56,958,118,281
5. Step 5: Solve for x
   x = 56,958,118,281/156,654
6. Step 6: Final answer
   x = 363,591.85