Finding the Third Proportional to 760,490 and 1,672,180

Step by Step Solution

1. Step 1: Write the proportion equation
   760,490 : 1,672,180 = 1,672,180 : x
2. Step 2: Convert to fraction form
   760,490/1,672,180 = 1,672,180/x
3. Step 3: Cross multiply
   760,490x = 1,672,180 × 1,672,180
4. Step 4: Simplify right side
   760,490x = 2,796,185,952,400
5. Step 5: Solve for x
   x = 2,796,185,952,400/760,490
6. Step 6: Final answer
   x = 3,676,821.46