Finding the Third Proportional to 1,116,468 and 2,421,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,468 : 2,421,978 = 2,421,978 : x
2. Step 2: Convert to fraction form
   1,116,468/2,421,978 = 2,421,978/x
3. Step 3: Cross multiply
   1,116,468x = 2,421,978 × 2,421,978
4. Step 4: Simplify right side
   1,116,468x = 5,865,977,432,484
5. Step 5: Solve for x
   x = 5,865,977,432,484/1,116,468
6. Step 6: Final answer
   x = 5,254,048.87