Finding the Third Proportional to 643,048 and 1,412,210

Step by Step Solution

1. Step 1: Write the proportion equation
   643,048 : 1,412,210 = 1,412,210 : x
2. Step 2: Convert to fraction form
   643,048/1,412,210 = 1,412,210/x
3. Step 3: Cross multiply
   643,048x = 1,412,210 × 1,412,210
4. Step 4: Simplify right side
   643,048x = 1,994,337,084,100
5. Step 5: Solve for x
   x = 1,994,337,084,100/643,048
6. Step 6: Final answer
   x = 3,101,381.37