Finding the Third Proportional to 3,564,810 and 7,423,380

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564,810 : 7,423,380 = 7,423,380 : x
2. Step 2: Convert to fraction form
   3,564,810/7,423,380 = 7,423,380/x
3. Step 3: Cross multiply
   3,564,810x = 7,423,380 × 7,423,380
4. Step 4: Simplify right side
   3,564,810x = 55,106,570,624,400
5. Step 5: Solve for x
   x = 55,106,570,624,400/3,564,810
6. Step 6: Final answer
   x = 15,458,487.44