Finding the Third Proportional to 10,761,371,656 and 15,147,779,036

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761,371,656 : 15,147,779,036 = 15,147,779,036 : x
2. Step 2: Convert to fraction form
   10,761,371,656/15,147,779,036 = 15,147,779,036/x
3. Step 3: Cross multiply
   10,761,371,656x = 15,147,779,036 × 15,147,779,036
4. Step 4: Simplify right side
   10,761,371,656x = 229,455,209,723,481,096,192
5. Step 5: Solve for x
   x = 229,455,209,723,481,096,192/10,761,371,656
6. Step 6: Final answer
   x = 21,322,115,531.21