Finding the Third Proportional to 666,360 and 949,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,360 : 949,696.50 = 949,696.50 : x
2. Step 2: Convert to fraction form
   666,360/949,696.50 = 949,696.50/x
3. Step 3: Cross multiply
   666,360x = 949,696.50 × 949,696.50
4. Step 4: Simplify right side
   666,360x = 901,923,442,112.25
5. Step 5: Solve for x
   x = 901,923,442,112.25/666,360
6. Step 6: Final answer
   x = 1,353,507.78