Finding the Third Proportional to 668,980.25 and 953,641.38

Step by Step Solution

1. Step 1: Write the proportion equation
   668,980.25 : 953,641.38 = 953,641.38 : x
2. Step 2: Convert to fraction form
   668,980.25/953,641.38 = 953,641.38/x
3. Step 3: Cross multiply
   668,980.25x = 953,641.38 × 953,641.38
4. Step 4: Simplify right side
   668,980.25x = 909,431,872,111.89
5. Step 5: Solve for x
   x = 909,431,872,111.89/668,980.25
6. Step 6: Final answer
   x = 1,359,430.08