Finding the Third Proportional to 384,478.31 and 841,365.56

Step by Step Solution

1. Step 1: Write the proportion equation
   384,478.31 : 841,365.56 = 841,365.56 : x
2. Step 2: Convert to fraction form
   384,478.31/841,365.56 = 841,365.56/x
3. Step 3: Cross multiply
   384,478.31x = 841,365.56 × 841,365.56
4. Step 4: Simplify right side
   384,478.31x = 707,896,009,760.94
5. Step 5: Solve for x
   x = 707,896,009,760.94/384,478.31
6. Step 6: Final answer
   x = 1,841,185.80