Finding the Third Proportional to 1,499,262 and 3,278,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,262 : 3,278,136 = 3,278,136 : x
2. Step 2: Convert to fraction form
   1,499,262/3,278,136 = 3,278,136/x
3. Step 3: Cross multiply
   1,499,262x = 3,278,136 × 3,278,136
4. Step 4: Simplify right side
   1,499,262x = 10,746,175,634,496
5. Step 5: Solve for x
   x = 10,746,175,634,496/1,499,262
6. Step 6: Final answer
   x = 7,167,643.57