Finding the Third Proportional to 664,368 and 1,559,710

Step by Step Solution

1. Step 1: Write the proportion equation
   664,368 : 1,559,710 = 1,559,710 : x
2. Step 2: Convert to fraction form
   664,368/1,559,710 = 1,559,710/x
3. Step 3: Cross multiply
   664,368x = 1,559,710 × 1,559,710
4. Step 4: Simplify right side
   664,368x = 2,432,695,284,100
5. Step 5: Solve for x
   x = 2,432,695,284,100/664,368
6. Step 6: Final answer
   x = 3,661,668.36