Finding the Third Proportional to 197,402 and 281,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,402 : 281,340.50 = 281,340.50 : x
2. Step 2: Convert to fraction form
   197,402/281,340.50 = 281,340.50/x
3. Step 3: Cross multiply
   197,402x = 281,340.50 × 281,340.50
4. Step 4: Simplify right side
   197,402x = 79,152,476,940.25
5. Step 5: Solve for x
   x = 79,152,476,940.25/197,402
6. Step 6: Final answer
   x = 400,971.00