Finding the Third Proportional to 89,994.50 and 194,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,994.50 : 194,420.50 = 194,420.50 : x
2. Step 2: Convert to fraction form
   89,994.50/194,420.50 = 194,420.50/x
3. Step 3: Cross multiply
   89,994.50x = 194,420.50 × 194,420.50
4. Step 4: Simplify right side
   89,994.50x = 37,799,330,820.25
5. Step 5: Solve for x
   x = 37,799,330,820.25/89,994.50
6. Step 6: Final answer
   x = 420,018.23