Finding the Third Proportional to 761,628 and 1,069,866

Step by Step Solution

1. Step 1: Write the proportion equation
   761,628 : 1,069,866 = 1,069,866 : x
2. Step 2: Convert to fraction form
   761,628/1,069,866 = 1,069,866/x
3. Step 3: Cross multiply
   761,628x = 1,069,866 × 1,069,866
4. Step 4: Simplify right side
   761,628x = 1,144,613,257,956
5. Step 5: Solve for x
   x = 1,144,613,257,956/761,628
6. Step 6: Final answer
   x = 1,502,850.81