Finding the Third Proportional to 5,256,545 and 7,685,253

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256,545 : 7,685,253 = 7,685,253 : x
2. Step 2: Convert to fraction form
   5,256,545/7,685,253 = 7,685,253/x
3. Step 3: Cross multiply
   5,256,545x = 7,685,253 × 7,685,253
4. Step 4: Simplify right side
   5,256,545x = 59,063,113,674,009
5. Step 5: Solve for x
   x = 59,063,113,674,009/5,256,545
6. Step 6: Final answer
   x = 11,236,109.21