Finding the Third Proportional to 1,588,400 and 3,425,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588,400 : 3,425,616 = 3,425,616 : x
2. Step 2: Convert to fraction form
   1,588,400/3,425,616 = 3,425,616/x
3. Step 3: Cross multiply
   1,588,400x = 3,425,616 × 3,425,616
4. Step 4: Simplify right side
   1,588,400x = 11,734,844,979,456
5. Step 5: Solve for x
   x = 11,734,844,979,456/1,588,400
6. Step 6: Final answer
   x = 7,387,839.95