Finding the Third Proportional to 842,668.50 and 1,820,010

Step by Step Solution

1. Step 1: Write the proportion equation
   842,668.50 : 1,820,010 = 1,820,010 : x
2. Step 2: Convert to fraction form
   842,668.50/1,820,010 = 1,820,010/x
3. Step 3: Cross multiply
   842,668.50x = 1,820,010 × 1,820,010
4. Step 4: Simplify right side
   842,668.50x = 3,312,436,400,100
5. Step 5: Solve for x
   x = 3,312,436,400,100/842,668.50
6. Step 6: Final answer
   x = 3,930,889.07