Finding the Third Proportional to 1,288,430 and 2,910,925

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,430 : 2,910,925 = 2,910,925 : x
2. Step 2: Convert to fraction form
   1,288,430/2,910,925 = 2,910,925/x
3. Step 3: Cross multiply
   1,288,430x = 2,910,925 × 2,910,925
4. Step 4: Simplify right side
   1,288,430x = 8,473,484,355,625
5. Step 5: Solve for x
   x = 8,473,484,355,625/1,288,430
6. Step 6: Final answer
   x = 6,576,596.60