Finding the Third Proportional to 672,141 and 1,064,817

Step by Step Solution

1. Step 1: Write the proportion equation
   672,141 : 1,064,817 = 1,064,817 : x
2. Step 2: Convert to fraction form
   672,141/1,064,817 = 1,064,817/x
3. Step 3: Cross multiply
   672,141x = 1,064,817 × 1,064,817
4. Step 4: Simplify right side
   672,141x = 1,133,835,243,489
5. Step 5: Solve for x
   x = 1,133,835,243,489/672,141
6. Step 6: Final answer
   x = 1,686,900.88