Finding the Third Proportional to 34,243,812 and 71,321,992

Step by Step Solution

1. Step 1: Write the proportion equation
   34,243,812 : 71,321,992 = 71,321,992 : x
2. Step 2: Convert to fraction form
   34,243,812/71,321,992 = 71,321,992/x
3. Step 3: Cross multiply
   34,243,812x = 71,321,992 × 71,321,992
4. Step 4: Simplify right side
   34,243,812x = 5,086,826,542,848,064
5. Step 5: Solve for x
   x = 5,086,826,542,848,064/34,243,812
6. Step 6: Final answer
   x = 148,547,321.28