Finding the Third Proportional to 3,915,258 and 5,513,625

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915,258 : 5,513,625 = 5,513,625 : x
2. Step 2: Convert to fraction form
   3,915,258/5,513,625 = 5,513,625/x
3. Step 3: Cross multiply
   3,915,258x = 5,513,625 × 5,513,625
4. Step 4: Simplify right side
   3,915,258x = 30,400,060,640,625
5. Step 5: Solve for x
   x = 30,400,060,640,625/3,915,258
6. Step 6: Final answer
   x = 7,764,510.19