Finding the Third Proportional to 3,914,505 and 5,512,513

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,505 : 5,512,513 = 5,512,513 : x
2. Step 2: Convert to fraction form
   3,914,505/5,512,513 = 5,512,513/x
3. Step 3: Cross multiply
   3,914,505x = 5,512,513 × 5,512,513
4. Step 4: Simplify right side
   3,914,505x = 30,387,799,575,169
5. Step 5: Solve for x
   x = 30,387,799,575,169/3,914,505
6. Step 6: Final answer
   x = 7,762,871.57