Finding the Third Proportional to 921,672 and 1,887,630

Step by Step Solution

1. Step 1: Write the proportion equation
   921,672 : 1,887,630 = 1,887,630 : x
2. Step 2: Convert to fraction form
   921,672/1,887,630 = 1,887,630/x
3. Step 3: Cross multiply
   921,672x = 1,887,630 × 1,887,630
4. Step 4: Simplify right side
   921,672x = 3,563,147,016,900
5. Step 5: Solve for x
   x = 3,563,147,016,900/921,672
6. Step 6: Final answer
   x = 3,865,959.93