Finding the Third Proportional to 691,521 and 1,417,180

Step by Step Solution

1. Step 1: Write the proportion equation
   691,521 : 1,417,180 = 1,417,180 : x
2. Step 2: Convert to fraction form
   691,521/1,417,180 = 1,417,180/x
3. Step 3: Cross multiply
   691,521x = 1,417,180 × 1,417,180
4. Step 4: Simplify right side
   691,521x = 2,008,399,152,400
5. Step 5: Solve for x
   x = 2,008,399,152,400/691,521
6. Step 6: Final answer
   x = 2,904,321.27