Finding the Third Proportional to 556,710 and 1,219,818

Step by Step Solution

1. Step 1: Write the proportion equation
   556,710 : 1,219,818 = 1,219,818 : x
2. Step 2: Convert to fraction form
   556,710/1,219,818 = 1,219,818/x
3. Step 3: Cross multiply
   556,710x = 1,219,818 × 1,219,818
4. Step 4: Simplify right side
   556,710x = 1,487,955,953,124
5. Step 5: Solve for x
   x = 1,487,955,953,124/556,710
6. Step 6: Final answer
   x = 2,672,766.71