Finding the Third Proportional to 5,083,836 and 7,851,258

Step by Step Solution

1. Step 1: Write the proportion equation
   5,083,836 : 7,851,258 = 7,851,258 : x
2. Step 2: Convert to fraction form
   5,083,836/7,851,258 = 7,851,258/x
3. Step 3: Cross multiply
   5,083,836x = 7,851,258 × 7,851,258
4. Step 4: Simplify right side
   5,083,836x = 61,642,252,182,564
5. Step 5: Solve for x
   x = 61,642,252,182,564/5,083,836
6. Step 6: Final answer
   x = 12,125,145.69