Finding the Third Proportional to 384,421.50 and 842,886

Step by Step Solution

1. Step 1: Write the proportion equation
   384,421.50 : 842,886 = 842,886 : x
2. Step 2: Convert to fraction form
   384,421.50/842,886 = 842,886/x
3. Step 3: Cross multiply
   384,421.50x = 842,886 × 842,886
4. Step 4: Simplify right side
   384,421.50x = 710,456,808,996
5. Step 5: Solve for x
   x = 710,456,808,996/384,421.50
6. Step 6: Final answer
   x = 1,848,119.34