Finding the Third Proportional to 373,887.56 and 815,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   373,887.56 : 815,443.88 = 815,443.88 : x
2. Step 2: Convert to fraction form
   373,887.56/815,443.88 = 815,443.88/x
3. Step 3: Cross multiply
   373,887.56x = 815,443.88 × 815,443.88
4. Step 4: Simplify right side
   373,887.56x = 664,948,713,275.02
5. Step 5: Solve for x
   x = 664,948,713,275.02/373,887.56
6. Step 6: Final answer
   x = 1,778,472.41