Finding the Third Proportional to 103,691 and 156,488

Step by Step Solution

1. Step 1: Write the proportion equation
   103,691 : 156,488 = 156,488 : x
2. Step 2: Convert to fraction form
   103,691/156,488 = 156,488/x
3. Step 3: Cross multiply
   103,691x = 156,488 × 156,488
4. Step 4: Simplify right side
   103,691x = 24,488,494,144
5. Step 5: Solve for x
   x = 24,488,494,144/103,691
6. Step 6: Final answer
   x = 236,167.98