Finding the Third Proportional to 556,315 and 1,191,360

Step by Step Solution

1. Step 1: Write the proportion equation
   556,315 : 1,191,360 = 1,191,360 : x
2. Step 2: Convert to fraction form
   556,315/1,191,360 = 1,191,360/x
3. Step 3: Cross multiply
   556,315x = 1,191,360 × 1,191,360
4. Step 4: Simplify right side
   556,315x = 1,419,338,649,600
5. Step 5: Solve for x
   x = 1,419,338,649,600/556,315
6. Step 6: Final answer
   x = 2,551,321.91