Finding the Third Proportional to 1,405,433 and 2,223,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,433 : 2,223,264 = 2,223,264 : x
2. Step 2: Convert to fraction form
   1,405,433/2,223,264 = 2,223,264/x
3. Step 3: Cross multiply
   1,405,433x = 2,223,264 × 2,223,264
4. Step 4: Simplify right side
   1,405,433x = 4,942,902,813,696
5. Step 5: Solve for x
   x = 4,942,902,813,696/1,405,433
6. Step 6: Final answer
   x = 3,516,996.41