Finding the Third Proportional to 296,892 and 622,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,892 : 622,948.50 = 622,948.50 : x
2. Step 2: Convert to fraction form
   296,892/622,948.50 = 622,948.50/x
3. Step 3: Cross multiply
   296,892x = 622,948.50 × 622,948.50
4. Step 4: Simplify right side
   296,892x = 388,064,833,652.25
5. Step 5: Solve for x
   x = 388,064,833,652.25/296,892
6. Step 6: Final answer
   x = 1,307,090.91