Finding the Third Proportional to 132,235.50 and 290,712

Step by Step Solution

1. Step 1: Write the proportion equation
   132,235.50 : 290,712 = 290,712 : x
2. Step 2: Convert to fraction form
   132,235.50/290,712 = 290,712/x
3. Step 3: Cross multiply
   132,235.50x = 290,712 × 290,712
4. Step 4: Simplify right side
   132,235.50x = 84,513,466,944
5. Step 5: Solve for x
   x = 84,513,466,944/132,235.50
6. Step 6: Final answer
   x = 639,113.30