Finding the Third Proportional to 194,461.50 and 422,118

Step by Step Solution

1. Step 1: Write the proportion equation
   194,461.50 : 422,118 = 422,118 : x
2. Step 2: Convert to fraction form
   194,461.50/422,118 = 422,118/x
3. Step 3: Cross multiply
   194,461.50x = 422,118 × 422,118
4. Step 4: Simplify right side
   194,461.50x = 178,183,605,924
5. Step 5: Solve for x
   x = 178,183,605,924/194,461.50
6. Step 6: Final answer
   x = 916,292.46