Finding the Third Proportional to 147,384 and 315,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,384 : 315,796.50 = 315,796.50 : x
2. Step 2: Convert to fraction form
   147,384/315,796.50 = 315,796.50/x
3. Step 3: Cross multiply
   147,384x = 315,796.50 × 315,796.50
4. Step 4: Simplify right side
   147,384x = 99,727,429,412.25
5. Step 5: Solve for x
   x = 99,727,429,412.25/147,384
6. Step 6: Final answer
   x = 676,650.31