Finding the Third Proportional to 1,558,818 and 3,642,103

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558,818 : 3,642,103 = 3,642,103 : x
2. Step 2: Convert to fraction form
   1,558,818/3,642,103 = 3,642,103/x
3. Step 3: Cross multiply
   1,558,818x = 3,642,103 × 3,642,103
4. Step 4: Simplify right side
   1,558,818x = 13,264,914,262,609
5. Step 5: Solve for x
   x = 13,264,914,262,609/1,558,818
6. Step 6: Final answer
   x = 8,509,597.83