Finding the Third Proportional to 1,109,644 and 1,624,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,644 : 1,624,960 = 1,624,960 : x
2. Step 2: Convert to fraction form
   1,109,644/1,624,960 = 1,624,960/x
3. Step 3: Cross multiply
   1,109,644x = 1,624,960 × 1,624,960
4. Step 4: Simplify right side
   1,109,644x = 2,640,495,001,600
5. Step 5: Solve for x
   x = 2,640,495,001,600/1,109,644
6. Step 6: Final answer
   x = 2,379,587.51