Finding the Third Proportional to 666,542 and 949,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,542 : 949,930.50 = 949,930.50 : x
2. Step 2: Convert to fraction form
   666,542/949,930.50 = 949,930.50/x
3. Step 3: Cross multiply
   666,542x = 949,930.50 × 949,930.50
4. Step 4: Simplify right side
   666,542x = 902,367,954,830.25
5. Step 5: Solve for x
   x = 902,367,954,830.25/666,542
6. Step 6: Final answer
   x = 1,353,805.09