Finding the Third Proportional to 93,245 and 140,642

Step by Step Solution

1. Step 1: Write the proportion equation
   93,245 : 140,642 = 140,642 : x
2. Step 2: Convert to fraction form
   93,245/140,642 = 140,642/x
3. Step 3: Cross multiply
   93,245x = 140,642 × 140,642
4. Step 4: Simplify right side
   93,245x = 19,780,172,164
5. Step 5: Solve for x
   x = 19,780,172,164/93,245
6. Step 6: Final answer
   x = 212,131.18