Finding the Third Proportional to 196,437 and 307,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,437 : 307,291.50 = 307,291.50 : x
2. Step 2: Convert to fraction form
   196,437/307,291.50 = 307,291.50/x
3. Step 3: Cross multiply
   196,437x = 307,291.50 × 307,291.50
4. Step 4: Simplify right side
   196,437x = 94,428,065,972.25
5. Step 5: Solve for x
   x = 94,428,065,972.25/196,437
6. Step 6: Final answer
   x = 480,704.07