Finding the Third Proportional to 5,977,664 and 12,380,680

Step by Step Solution

1. Step 1: Write the proportion equation
   5,977,664 : 12,380,680 = 12,380,680 : x
2. Step 2: Convert to fraction form
   5,977,664/12,380,680 = 12,380,680/x
3. Step 3: Cross multiply
   5,977,664x = 12,380,680 × 12,380,680
4. Step 4: Simplify right side
   5,977,664x = 153,281,237,262,400
5. Step 5: Solve for x
   x = 153,281,237,262,400/5,977,664
6. Step 6: Final answer
   x = 25,642,330.73