Finding the Third Proportional to 619,243.31 and 1,024,867.69

Step by Step Solution

1. Step 1: Write the proportion equation
   619,243.31 : 1,024,867.69 = 1,024,867.69 : x
2. Step 2: Convert to fraction form
   619,243.31/1,024,867.69 = 1,024,867.69/x
3. Step 3: Cross multiply
   619,243.31x = 1,024,867.69 × 1,024,867.69
4. Step 4: Simplify right side
   619,243.31x = 1,050,353,776,881.60
5. Step 5: Solve for x
   x = 1,050,353,776,881.60/619,243.31
6. Step 6: Final answer
   x = 1,696,189.13