Finding the Third Proportional to 31,650 and 68,316

Step by Step Solution

1. Step 1: Write the proportion equation
   31,650 : 68,316 = 68,316 : x
2. Step 2: Convert to fraction form
   31,650/68,316 = 68,316/x
3. Step 3: Cross multiply
   31,650x = 68,316 × 68,316
4. Step 4: Simplify right side
   31,650x = 4,667,075,856
5. Step 5: Solve for x
   x = 4,667,075,856/31,650
6. Step 6: Final answer
   x = 147,458.95