Finding the Third Proportional to 433,141.31 and 666,626.63

Step by Step Solution

1. Step 1: Write the proportion equation
   433,141.31 : 666,626.63 = 666,626.63 : x
2. Step 2: Convert to fraction form
   433,141.31/666,626.63 = 666,626.63/x
3. Step 3: Cross multiply
   433,141.31x = 666,626.63 × 666,626.63
4. Step 4: Simplify right side
   433,141.31x = 444,391,057,158.89
5. Step 5: Solve for x
   x = 444,391,057,158.89/433,141.31
6. Step 6: Final answer
   x = 1,025,972.46