Finding the Third Proportional to 761,485 and 1,142,372

Step by Step Solution

1. Step 1: Write the proportion equation
   761,485 : 1,142,372 = 1,142,372 : x
2. Step 2: Convert to fraction form
   761,485/1,142,372 = 1,142,372/x
3. Step 3: Cross multiply
   761,485x = 1,142,372 × 1,142,372
4. Step 4: Simplify right side
   761,485x = 1,305,013,786,384
5. Step 5: Solve for x
   x = 1,305,013,786,384/761,485
6. Step 6: Final answer
   x = 1,713,774.78