Finding the Third Proportional to 2,671,890 and 5,606,220

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671,890 : 5,606,220 = 5,606,220 : x
2. Step 2: Convert to fraction form
   2,671,890/5,606,220 = 5,606,220/x
3. Step 3: Cross multiply
   2,671,890x = 5,606,220 × 5,606,220
4. Step 4: Simplify right side
   2,671,890x = 31,429,702,688,400
5. Step 5: Solve for x
   x = 31,429,702,688,400/2,671,890
6. Step 6: Final answer
   x = 11,763,097.54