Finding the Third Proportional to 5,256,550 and 7,685,258

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256,550 : 7,685,258 = 7,685,258 : x
2. Step 2: Convert to fraction form
   5,256,550/7,685,258 = 7,685,258/x
3. Step 3: Cross multiply
   5,256,550x = 7,685,258 × 7,685,258
4. Step 4: Simplify right side
   5,256,550x = 59,063,190,526,564
5. Step 5: Solve for x
   x = 59,063,190,526,564/5,256,550
6. Step 6: Final answer
   x = 11,236,113.14