Finding the Third Proportional to 67,482,189,671 and 145,120,216,854

Step by Step Solution

1. Step 1: Write the proportion equation
   67,482,189,671 : 145,120,216,854 = 145,120,216,854 : x
2. Step 2: Convert to fraction form
   67,482,189,671/145,120,216,854 = 145,120,216,854/x
3. Step 3: Cross multiply
   67,482,189,671x = 145,120,216,854 × 145,120,216,854
4. Step 4: Simplify right side
   67,482,189,671x = 21,059,877,339,751,983,874,048
5. Step 5: Solve for x
   x = 21,059,877,339,751,983,874,048/67,482,189,671
6. Step 6: Final answer
   x = 312,080,527,357.31