Finding the Third Proportional to 668,273 and 965,538.50

Step by Step Solution

1. Step 1: Write the proportion equation
   668,273 : 965,538.50 = 965,538.50 : x
2. Step 2: Convert to fraction form
   668,273/965,538.50 = 965,538.50/x
3. Step 3: Cross multiply
   668,273x = 965,538.50 × 965,538.50
4. Step 4: Simplify right side
   668,273x = 932,264,594,982.25
5. Step 5: Solve for x
   x = 932,264,594,982.25/668,273
6. Step 6: Final answer
   x = 1,395,035.55