Finding the Third Proportional to 1,913,088 and 2,859,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,088 : 2,859,408 = 2,859,408 : x
2. Step 2: Convert to fraction form
   1,913,088/2,859,408 = 2,859,408/x
3. Step 3: Cross multiply
   1,913,088x = 2,859,408 × 2,859,408
4. Step 4: Simplify right side
   1,913,088x = 8,176,214,110,464
5. Step 5: Solve for x
   x = 8,176,214,110,464/1,913,088
6. Step 6: Final answer
   x = 4,273,830.64