Finding the Third Proportional to 720,406 and 1,567,658

Step by Step Solution

1. Step 1: Write the proportion equation
   720,406 : 1,567,658 = 1,567,658 : x
2. Step 2: Convert to fraction form
   720,406/1,567,658 = 1,567,658/x
3. Step 3: Cross multiply
   720,406x = 1,567,658 × 1,567,658
4. Step 4: Simplify right side
   720,406x = 2,457,551,604,964
5. Step 5: Solve for x
   x = 2,457,551,604,964/720,406
6. Step 6: Final answer
   x = 3,411,342.50