Finding the Third Proportional to 196,616 and 430,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,616 : 430,028.50 = 430,028.50 : x
2. Step 2: Convert to fraction form
   196,616/430,028.50 = 430,028.50/x
3. Step 3: Cross multiply
   196,616x = 430,028.50 × 430,028.50
4. Step 4: Simplify right side
   196,616x = 184,924,510,812.25
5. Step 5: Solve for x
   x = 184,924,510,812.25/196,616
6. Step 6: Final answer
   x = 940,536.43