Finding the Third Proportional to 586,906 and 1,219,730

Step by Step Solution

1. Step 1: Write the proportion equation
   586,906 : 1,219,730 = 1,219,730 : x
2. Step 2: Convert to fraction form
   586,906/1,219,730 = 1,219,730/x
3. Step 3: Cross multiply
   586,906x = 1,219,730 × 1,219,730
4. Step 4: Simplify right side
   586,906x = 1,487,741,272,900
5. Step 5: Solve for x
   x = 1,487,741,272,900/586,906
6. Step 6: Final answer
   x = 2,534,888.50