Finding the Third Proportional to 3,666,456 and 5,387,310

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,456 : 5,387,310 = 5,387,310 : x
2. Step 2: Convert to fraction form
   3,666,456/5,387,310 = 5,387,310/x
3. Step 3: Cross multiply
   3,666,456x = 5,387,310 × 5,387,310
4. Step 4: Simplify right side
   3,666,456x = 29,023,109,036,100
5. Step 5: Solve for x
   x = 29,023,109,036,100/3,666,456
6. Step 6: Final answer
   x = 7,915,848.17