Finding the Third Proportional to 3,828,411 and 8,411,550

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,411 : 8,411,550 = 8,411,550 : x
2. Step 2: Convert to fraction form
   3,828,411/8,411,550 = 8,411,550/x
3. Step 3: Cross multiply
   3,828,411x = 8,411,550 × 8,411,550
4. Step 4: Simplify right side
   3,828,411x = 70,754,173,402,500
5. Step 5: Solve for x
   x = 70,754,173,402,500/3,828,411
6. Step 6: Final answer
   x = 18,481,342.10