Finding the Third Proportional to 3,318,410 and 7,237,516

Step by Step Solution

1. Step 1: Write the proportion equation
   3,318,410 : 7,237,516 = 7,237,516 : x
2. Step 2: Convert to fraction form
   3,318,410/7,237,516 = 7,237,516/x
3. Step 3: Cross multiply
   3,318,410x = 7,237,516 × 7,237,516
4. Step 4: Simplify right side
   3,318,410x = 52,381,637,850,256
5. Step 5: Solve for x
   x = 52,381,637,850,256/3,318,410
6. Step 6: Final answer
   x = 15,785,161.52