Finding the Third Proportional to 3,072,740 and 4,426,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,072,740 : 4,426,392 = 4,426,392 : x
2. Step 2: Convert to fraction form
   3,072,740/4,426,392 = 4,426,392/x
3. Step 3: Cross multiply
   3,072,740x = 4,426,392 × 4,426,392
4. Step 4: Simplify right side
   3,072,740x = 19,592,946,137,664
5. Step 5: Solve for x
   x = 19,592,946,137,664/3,072,740
6. Step 6: Final answer
   x = 6,376,376.18