Finding the Third Proportional to 556,278 and 1,196,386

Step by Step Solution

1. Step 1: Write the proportion equation
   556,278 : 1,196,386 = 1,196,386 : x
2. Step 2: Convert to fraction form
   556,278/1,196,386 = 1,196,386/x
3. Step 3: Cross multiply
   556,278x = 1,196,386 × 1,196,386
4. Step 4: Simplify right side
   556,278x = 1,431,339,460,996
5. Step 5: Solve for x
   x = 1,431,339,460,996/556,278
6. Step 6: Final answer
   x = 2,573,065.02