Finding the Third Proportional to 373,669.50 and 817,476

Step by Step Solution

1. Step 1: Write the proportion equation
   373,669.50 : 817,476 = 817,476 : x
2. Step 2: Convert to fraction form
   373,669.50/817,476 = 817,476/x
3. Step 3: Cross multiply
   373,669.50x = 817,476 × 817,476
4. Step 4: Simplify right side
   373,669.50x = 668,267,010,576
5. Step 5: Solve for x
   x = 668,267,010,576/373,669.50
6. Step 6: Final answer
   x = 1,788,390.57