Finding the Third Proportional to 1,807,377 and 3,912,303

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,377 : 3,912,303 = 3,912,303 : x
2. Step 2: Convert to fraction form
   1,807,377/3,912,303 = 3,912,303/x
3. Step 3: Cross multiply
   1,807,377x = 3,912,303 × 3,912,303
4. Step 4: Simplify right side
   1,807,377x = 15,306,114,763,809
5. Step 5: Solve for x
   x = 15,306,114,763,809/1,807,377
6. Step 6: Final answer
   x = 8,468,689.58