Finding the Third Proportional to 10,761,371,658 and 15,147,779,039

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761,371,658 : 15,147,779,039 = 15,147,779,039 : x
2. Step 2: Convert to fraction form
   10,761,371,658/15,147,779,039 = 15,147,779,039/x
3. Step 3: Cross multiply
   10,761,371,658x = 15,147,779,039 × 15,147,779,039
4. Step 4: Simplify right side
   10,761,371,658x = 229,455,209,814,367,764,480
5. Step 5: Solve for x
   x = 229,455,209,814,367,764,480/10,761,371,658
6. Step 6: Final answer
   x = 21,322,115,535.69