Finding the Third Proportional to 194,994 and 421,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,994 : 421,969.50 = 421,969.50 : x
2. Step 2: Convert to fraction form
   194,994/421,969.50 = 421,969.50/x
3. Step 3: Cross multiply
   194,994x = 421,969.50 × 421,969.50
4. Step 4: Simplify right side
   194,994x = 178,058,258,930.25
5. Step 5: Solve for x
   x = 178,058,258,930.25/194,994
6. Step 6: Final answer
   x = 913,147.37