Finding the Third Proportional to 3,642,588 and 5,345,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642,588 : 5,345,780 = 5,345,780 : x
2. Step 2: Convert to fraction form
   3,642,588/5,345,780 = 5,345,780/x
3. Step 3: Cross multiply
   3,642,588x = 5,345,780 × 5,345,780
4. Step 4: Simplify right side
   3,642,588x = 28,577,363,808,400
5. Step 5: Solve for x
   x = 28,577,363,808,400/3,642,588
6. Step 6: Final answer
   x = 7,845,346.17