Finding the Third Proportional to 4,991,624 and 7,580,740

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,624 : 7,580,740 = 7,580,740 : x
2. Step 2: Convert to fraction form
   4,991,624/7,580,740 = 7,580,740/x
3. Step 3: Cross multiply
   4,991,624x = 7,580,740 × 7,580,740
4. Step 4: Simplify right side
   4,991,624x = 57,467,618,947,600
5. Step 5: Solve for x
   x = 57,467,618,947,600/4,991,624
6. Step 6: Final answer
   x = 11,512,810.05