Finding the Third Proportional to 643,030 and 1,412,960

Step by Step Solution

1. Step 1: Write the proportion equation
   643,030 : 1,412,960 = 1,412,960 : x
2. Step 2: Convert to fraction form
   643,030/1,412,960 = 1,412,960/x
3. Step 3: Cross multiply
   643,030x = 1,412,960 × 1,412,960
4. Step 4: Simplify right side
   643,030x = 1,996,455,961,600
5. Step 5: Solve for x
   x = 1,996,455,961,600/643,030
6. Step 6: Final answer
   x = 3,104,763.33