Finding the Third Proportional to 372,063 and 815,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,063 : 815,065.50 = 815,065.50 : x
2. Step 2: Convert to fraction form
   372,063/815,065.50 = 815,065.50/x
3. Step 3: Cross multiply
   372,063x = 815,065.50 × 815,065.50
4. Step 4: Simplify right side
   372,063x = 664,331,769,290.25
5. Step 5: Solve for x
   x = 664,331,769,290.25/372,063
6. Step 6: Final answer
   x = 1,785,535.70