Finding the Third Proportional to 5,708,315 and 7,827,640

Step by Step Solution

1. Step 1: Write the proportion equation
   5,708,315 : 7,827,640 = 7,827,640 : x
2. Step 2: Convert to fraction form
   5,708,315/7,827,640 = 7,827,640/x
3. Step 3: Cross multiply
   5,708,315x = 7,827,640 × 7,827,640
4. Step 4: Simplify right side
   5,708,315x = 61,271,947,969,600
5. Step 5: Solve for x
   x = 61,271,947,969,600/5,708,315
6. Step 6: Final answer
   x = 10,733,806.38