Finding the Third Proportional to 658,786.50 and 1,438,047

Step by Step Solution

1. Step 1: Write the proportion equation
   658,786.50 : 1,438,047 = 1,438,047 : x
2. Step 2: Convert to fraction form
   658,786.50/1,438,047 = 1,438,047/x
3. Step 3: Cross multiply
   658,786.50x = 1,438,047 × 1,438,047
4. Step 4: Simplify right side
   658,786.50x = 2,067,979,174,209
5. Step 5: Solve for x
   x = 2,067,979,174,209/658,786.50
6. Step 6: Final answer
   x = 3,139,073.39