Finding the Third Proportional to 194,649 and 418,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,649 : 418,393.50 = 418,393.50 : x
2. Step 2: Convert to fraction form
   194,649/418,393.50 = 418,393.50/x
3. Step 3: Cross multiply
   194,649x = 418,393.50 × 418,393.50
4. Step 4: Simplify right side
   194,649x = 175,053,120,842.25
5. Step 5: Solve for x
   x = 175,053,120,842.25/194,649
6. Step 6: Final answer
   x = 899,327.10