Finding the Third Proportional to 1,819,090 and 3,960,903

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819,090 : 3,960,903 = 3,960,903 : x
2. Step 2: Convert to fraction form
   1,819,090/3,960,903 = 3,960,903/x
3. Step 3: Cross multiply
   1,819,090x = 3,960,903 × 3,960,903
4. Step 4: Simplify right side
   1,819,090x = 15,688,752,575,409
5. Step 5: Solve for x
   x = 15,688,752,575,409/1,819,090
6. Step 6: Final answer
   x = 8,624,505.98