Finding the Third Proportional to 932,428 and 1,392,889

Step by Step Solution

1. Step 1: Write the proportion equation
   932,428 : 1,392,889 = 1,392,889 : x
2. Step 2: Convert to fraction form
   932,428/1,392,889 = 1,392,889/x
3. Step 3: Cross multiply
   932,428x = 1,392,889 × 1,392,889
4. Step 4: Simplify right side
   932,428x = 1,940,139,766,321
5. Step 5: Solve for x
   x = 1,940,139,766,321/932,428
6. Step 6: Final answer
   x = 2,080,739.50