Finding the Third Proportional to 373,837.50 and 822,438

Step by Step Solution

1. Step 1: Write the proportion equation
   373,837.50 : 822,438 = 822,438 : x
2. Step 2: Convert to fraction form
   373,837.50/822,438 = 822,438/x
3. Step 3: Cross multiply
   373,837.50x = 822,438 × 822,438
4. Step 4: Simplify right side
   373,837.50x = 676,404,263,844
5. Step 5: Solve for x
   x = 676,404,263,844/373,837.50
6. Step 6: Final answer
   x = 1,809,353.70