Finding the Third Proportional to 815,920 and 1,146,964

Step by Step Solution

1. Step 1: Write the proportion equation
   815,920 : 1,146,964 = 1,146,964 : x
2. Step 2: Convert to fraction form
   815,920/1,146,964 = 1,146,964/x
3. Step 3: Cross multiply
   815,920x = 1,146,964 × 1,146,964
4. Step 4: Simplify right side
   815,920x = 1,315,526,417,296
5. Step 5: Solve for x
   x = 1,315,526,417,296/815,920
6. Step 6: Final answer
   x = 1,612,322.80