Finding the Third Proportional to 611,667 and 1,439,130

Step by Step Solution

1. Step 1: Write the proportion equation
   611,667 : 1,439,130 = 1,439,130 : x
2. Step 2: Convert to fraction form
   611,667/1,439,130 = 1,439,130/x
3. Step 3: Cross multiply
   611,667x = 1,439,130 × 1,439,130
4. Step 4: Simplify right side
   611,667x = 2,071,095,156,900
5. Step 5: Solve for x
   x = 2,071,095,156,900/611,667
6. Step 6: Final answer
   x = 3,385,984.79