Finding the Third Proportional to 1,213,012 and 1,902,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,012 : 1,902,624 = 1,902,624 : x
2. Step 2: Convert to fraction form
   1,213,012/1,902,624 = 1,902,624/x
3. Step 3: Cross multiply
   1,213,012x = 1,902,624 × 1,902,624
4. Step 4: Simplify right side
   1,213,012x = 3,619,978,085,376
5. Step 5: Solve for x
   x = 3,619,978,085,376/1,213,012
6. Step 6: Final answer
   x = 2,984,288.77