Finding the Third Proportional to 921,674 and 1,887,634

Step by Step Solution

1. Step 1: Write the proportion equation
   921,674 : 1,887,634 = 1,887,634 : x
2. Step 2: Convert to fraction form
   921,674/1,887,634 = 1,887,634/x
3. Step 3: Cross multiply
   921,674x = 1,887,634 × 1,887,634
4. Step 4: Simplify right side
   921,674x = 3,563,162,117,956
5. Step 5: Solve for x
   x = 3,563,162,117,956/921,674
6. Step 6: Final answer
   x = 3,865,967.92