Finding the Third Proportional to 781,044 and 1,623,864

Step by Step Solution

1. Step 1: Write the proportion equation
   781,044 : 1,623,864 = 1,623,864 : x
2. Step 2: Convert to fraction form
   781,044/1,623,864 = 1,623,864/x
3. Step 3: Cross multiply
   781,044x = 1,623,864 × 1,623,864
4. Step 4: Simplify right side
   781,044x = 2,636,934,290,496
5. Step 5: Solve for x
   x = 2,636,934,290,496/781,044
6. Step 6: Final answer
   x = 3,376,166.12