Finding the Third Proportional to 815,353.50 and 1,918,476

Step by Step Solution

1. Step 1: Write the proportion equation
   815,353.50 : 1,918,476 = 1,918,476 : x
2. Step 2: Convert to fraction form
   815,353.50/1,918,476 = 1,918,476/x
3. Step 3: Cross multiply
   815,353.50x = 1,918,476 × 1,918,476
4. Step 4: Simplify right side
   815,353.50x = 3,680,550,162,576
5. Step 5: Solve for x
   x = 3,680,550,162,576/815,353.50
6. Step 6: Final answer
   x = 4,514,054.53