Finding the Third Proportional to 5,697,421.50 and 13,178,208

Step by Step Solution

1. Step 1: Write the proportion equation
   5,697,421.50 : 13,178,208 = 13,178,208 : x
2. Step 2: Convert to fraction form
   5,697,421.50/13,178,208 = 13,178,208/x
3. Step 3: Cross multiply
   5,697,421.50x = 13,178,208 × 13,178,208
4. Step 4: Simplify right side
   5,697,421.50x = 173,665,166,091,264
5. Step 5: Solve for x
   x = 173,665,166,091,264/5,697,421.50
6. Step 6: Final answer
   x = 30,481,361.80