Finding the Third Proportional to 354,389.50 and 757,955

Step by Step Solution

1. Step 1: Write the proportion equation
   354,389.50 : 757,955 = 757,955 : x
2. Step 2: Convert to fraction form
   354,389.50/757,955 = 757,955/x
3. Step 3: Cross multiply
   354,389.50x = 757,955 × 757,955
4. Step 4: Simplify right side
   354,389.50x = 574,495,782,025
5. Step 5: Solve for x
   x = 574,495,782,025/354,389.50
6. Step 6: Final answer
   x = 1,621,085.79