Finding the Third Proportional to 354,392.50 and 757,961

Step by Step Solution

1. Step 1: Write the proportion equation
   354,392.50 : 757,961 = 757,961 : x
2. Step 2: Convert to fraction form
   354,392.50/757,961 = 757,961/x
3. Step 3: Cross multiply
   354,392.50x = 757,961 × 757,961
4. Step 4: Simplify right side
   354,392.50x = 574,504,877,521
5. Step 5: Solve for x
   x = 574,504,877,521/354,392.50
6. Step 6: Final answer
   x = 1,621,097.73