Finding the Third Proportional to 305,620.50 and 668,034

Step by Step Solution

1. Step 1: Write the proportion equation
   305,620.50 : 668,034 = 668,034 : x
2. Step 2: Convert to fraction form
   305,620.50/668,034 = 668,034/x
3. Step 3: Cross multiply
   305,620.50x = 668,034 × 668,034
4. Step 4: Simplify right side
   305,620.50x = 446,269,425,156
5. Step 5: Solve for x
   x = 446,269,425,156/305,620.50
6. Step 6: Final answer
   x = 1,460,207.76