Finding the Third Proportional to 72,487,030,018 and 147,040,937,878

Step by Step Solution

1. Step 1: Write the proportion equation
   72,487,030,018 : 147,040,937,878 = 147,040,937,878 : x
2. Step 2: Convert to fraction form
   72,487,030,018/147,040,937,878 = 147,040,937,878/x
3. Step 3: Cross multiply
   72,487,030,018x = 147,040,937,878 × 147,040,937,878
4. Step 4: Simplify right side
   72,487,030,018x = 21,621,037,412,041,854,287,872
5. Step 5: Solve for x
   x = 21,621,037,412,041,854,287,872/72,487,030,018
6. Step 6: Final answer
   x = 298,274,565,900.59