Finding the Third Proportional to 5,180,192 and 10,991,584

Step by Step Solution

1. Step 1: Write the proportion equation
   5,180,192 : 10,991,584 = 10,991,584 : x
2. Step 2: Convert to fraction form
   5,180,192/10,991,584 = 10,991,584/x
3. Step 3: Cross multiply
   5,180,192x = 10,991,584 × 10,991,584
4. Step 4: Simplify right side
   5,180,192x = 120,814,918,829,056
5. Step 5: Solve for x
   x = 120,814,918,829,056/5,180,192
6. Step 6: Final answer
   x = 23,322,478.94