Finding the Third Proportional to 354,852 and 756,157.50

Step by Step Solution

1. Step 1: Write the proportion equation
   354,852 : 756,157.50 = 756,157.50 : x
2. Step 2: Convert to fraction form
   354,852/756,157.50 = 756,157.50/x
3. Step 3: Cross multiply
   354,852x = 756,157.50 × 756,157.50
4. Step 4: Simplify right side
   354,852x = 571,774,164,806.25
5. Step 5: Solve for x
   x = 571,774,164,806.25/354,852
6. Step 6: Final answer
   x = 1,611,303.20