Finding the Third Proportional to 680,368 and 1,490,008

Step by Step Solution

1. Step 1: Write the proportion equation
   680,368 : 1,490,008 = 1,490,008 : x
2. Step 2: Convert to fraction form
   680,368/1,490,008 = 1,490,008/x
3. Step 3: Cross multiply
   680,368x = 1,490,008 × 1,490,008
4. Step 4: Simplify right side
   680,368x = 2,220,123,840,064
5. Step 5: Solve for x
   x = 2,220,123,840,064/680,368
6. Step 6: Final answer
   x = 3,263,122.08