Finding the Third Proportional to 308,394 and 483,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,394 : 483,889.50 = 483,889.50 : x
2. Step 2: Convert to fraction form
   308,394/483,889.50 = 483,889.50/x
3. Step 3: Cross multiply
   308,394x = 483,889.50 × 483,889.50
4. Step 4: Simplify right side
   308,394x = 234,149,048,210.25
5. Step 5: Solve for x
   x = 234,149,048,210.25/308,394
6. Step 6: Final answer
   x = 759,252.93