Finding the Third Proportional to 2,210,564 and 3,515,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,564 : 3,515,140 = 3,515,140 : x
2. Step 2: Convert to fraction form
   2,210,564/3,515,140 = 3,515,140/x
3. Step 3: Cross multiply
   2,210,564x = 3,515,140 × 3,515,140
4. Step 4: Simplify right side
   2,210,564x = 12,356,209,219,600
5. Step 5: Solve for x
   x = 12,356,209,219,600/2,210,564
6. Step 6: Final answer
   x = 5,589,618.40