Finding the Third Proportional to 675,186 and 1,045,128

Step by Step Solution

1. Step 1: Write the proportion equation
   675,186 : 1,045,128 = 1,045,128 : x
2. Step 2: Convert to fraction form
   675,186/1,045,128 = 1,045,128/x
3. Step 3: Cross multiply
   675,186x = 1,045,128 × 1,045,128
4. Step 4: Simplify right side
   675,186x = 1,092,292,536,384
5. Step 5: Solve for x
   x = 1,092,292,536,384/675,186
6. Step 6: Final answer
   x = 1,617,765.38