Finding the Third Proportional to 73,642 and 112,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,642 : 112,604.50 = 112,604.50 : x
2. Step 2: Convert to fraction form
   73,642/112,604.50 = 112,604.50/x
3. Step 3: Cross multiply
   73,642x = 112,604.50 × 112,604.50
4. Step 4: Simplify right side
   73,642x = 12,679,773,420.25
5. Step 5: Solve for x
   x = 12,679,773,420.25/73,642
6. Step 6: Final answer
   x = 172,181.27