Finding the Third Proportional to 1,631,870 and 3,488,274

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,870 : 3,488,274 = 3,488,274 : x
2. Step 2: Convert to fraction form
   1,631,870/3,488,274 = 3,488,274/x
3. Step 3: Cross multiply
   1,631,870x = 3,488,274 × 3,488,274
4. Step 4: Simplify right side
   1,631,870x = 12,168,055,499,076
5. Step 5: Solve for x
   x = 12,168,055,499,076/1,631,870
6. Step 6: Final answer
   x = 7,456,510.32