Finding the Third Proportional to 763,640 and 1,725,304

Step by Step Solution

1. Step 1: Write the proportion equation
   763,640 : 1,725,304 = 1,725,304 : x
2. Step 2: Convert to fraction form
   763,640/1,725,304 = 1,725,304/x
3. Step 3: Cross multiply
   763,640x = 1,725,304 × 1,725,304
4. Step 4: Simplify right side
   763,640x = 2,976,673,892,416
5. Step 5: Solve for x
   x = 2,976,673,892,416/763,640
6. Step 6: Final answer
   x = 3,898,006.77