Finding the Third Proportional to 373,836 and 820,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,836 : 820,047.50 = 820,047.50 : x
2. Step 2: Convert to fraction form
   373,836/820,047.50 = 820,047.50/x
3. Step 3: Cross multiply
   373,836x = 820,047.50 × 820,047.50
4. Step 4: Simplify right side
   373,836x = 672,477,902,256.25
5. Step 5: Solve for x
   x = 672,477,902,256.25/373,836
6. Step 6: Final answer
   x = 1,798,858.06