Finding the Third Proportional to 31,556,854,077 and 69,424,968,603

Step by Step Solution

1. Step 1: Write the proportion equation
   31,556,854,077 : 69,424,968,603 = 69,424,968,603 : x
2. Step 2: Convert to fraction form
   31,556,854,077/69,424,968,603 = 69,424,968,603/x
3. Step 3: Cross multiply
   31,556,854,077x = 69,424,968,603 × 69,424,968,603
4. Step 4: Simplify right side
   31,556,854,077x = 4,819,826,265,527,535,271,936
5. Step 5: Solve for x
   x = 4,819,826,265,527,535,271,936/31,556,854,077
6. Step 6: Final answer
   x = 152,734,688,120.91