Finding the Third Proportional to 586,673 and 881,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   586,673 : 881,305.50 = 881,305.50 : x
2. Step 2: Convert to fraction form
   586,673/881,305.50 = 881,305.50/x
3. Step 3: Cross multiply
   586,673x = 881,305.50 × 881,305.50
4. Step 4: Simplify right side
   586,673x = 776,699,384,330.25
5. Step 5: Solve for x
   x = 776,699,384,330.25/586,673
6. Step 6: Final answer
   x = 1,323,905.11