Finding the Third Proportional to 921,362 and 1,421,406

Step by Step Solution

1. Step 1: Write the proportion equation
   921,362 : 1,421,406 = 1,421,406 : x
2. Step 2: Convert to fraction form
   921,362/1,421,406 = 1,421,406/x
3. Step 3: Cross multiply
   921,362x = 1,421,406 × 1,421,406
4. Step 4: Simplify right side
   921,362x = 2,020,395,016,836
5. Step 5: Solve for x
   x = 2,020,395,016,836/921,362
6. Step 6: Final answer
   x = 2,192,835.19