Finding the Third Proportional to 1,639,063 and 2,488,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,639,063 : 2,488,123 = 2,488,123 : x
2. Step 2: Convert to fraction form
   1,639,063/2,488,123 = 2,488,123/x
3. Step 3: Cross multiply
   1,639,063x = 2,488,123 × 2,488,123
4. Step 4: Simplify right side
   1,639,063x = 6,190,756,063,129
5. Step 5: Solve for x
   x = 6,190,756,063,129/1,639,063
6. Step 6: Final answer
   x = 3,777,009.22