Finding the Third Proportional to 1,236,558,697.50 and 2,666,822,145

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,558,697.50 : 2,666,822,145 = 2,666,822,145 : x
2. Step 2: Convert to fraction form
   1,236,558,697.50/2,666,822,145 = 2,666,822,145/x
3. Step 3: Cross multiply
   1,236,558,697.50x = 2,666,822,145 × 2,666,822,145
4. Step 4: Simplify right side
   1,236,558,697.50x = 7,111,940,353,062,401,024
5. Step 5: Solve for x
   x = 7,111,940,353,062,401,024/1,236,558,697.50
6. Step 6: Final answer
   x = 5,751,397,299.17