Finding the Third Proportional to 556,245 and 1,191,222

Step by Step Solution

1. Step 1: Write the proportion equation
   556,245 : 1,191,222 = 1,191,222 : x
2. Step 2: Convert to fraction form
   556,245/1,191,222 = 1,191,222/x
3. Step 3: Cross multiply
   556,245x = 1,191,222 × 1,191,222
4. Step 4: Simplify right side
   556,245x = 1,419,009,853,284
5. Step 5: Solve for x
   x = 1,419,009,853,284/556,245
6. Step 6: Final answer
   x = 2,551,051.88