Finding the Third Proportional to 657,234 and 1,058,139

Step by Step Solution

1. Step 1: Write the proportion equation
   657,234 : 1,058,139 = 1,058,139 : x
2. Step 2: Convert to fraction form
   657,234/1,058,139 = 1,058,139/x
3. Step 3: Cross multiply
   657,234x = 1,058,139 × 1,058,139
4. Step 4: Simplify right side
   657,234x = 1,119,658,143,321
5. Step 5: Solve for x
   x = 1,119,658,143,321/657,234
6. Step 6: Final answer
   x = 1,703,591.33