Finding the Third Proportional to 11,763,130 and 17,990,739

Step by Step Solution

1. Step 1: Write the proportion equation
   11,763,130 : 17,990,739 = 17,990,739 : x
2. Step 2: Convert to fraction form
   11,763,130/17,990,739 = 17,990,739/x
3. Step 3: Cross multiply
   11,763,130x = 17,990,739 × 17,990,739
4. Step 4: Simplify right side
   11,763,130x = 323,666,689,766,121
5. Step 5: Solve for x
   x = 323,666,689,766,121/11,763,130
6. Step 6: Final answer
   x = 27,515,354.31