Finding the Third Proportional to 132,313.50 and 290,871

Step by Step Solution

1. Step 1: Write the proportion equation
   132,313.50 : 290,871 = 290,871 : x
2. Step 2: Convert to fraction form
   132,313.50/290,871 = 290,871/x
3. Step 3: Cross multiply
   132,313.50x = 290,871 × 290,871
4. Step 4: Simplify right side
   132,313.50x = 84,605,938,641
5. Step 5: Solve for x
   x = 84,605,938,641/132,313.50
6. Step 6: Final answer
   x = 639,435.42