Finding the Third Proportional to 89,067,136 and 137,910,364

Step by Step Solution

1. Step 1: Write the proportion equation
   89,067,136 : 137,910,364 = 137,910,364 : x
2. Step 2: Convert to fraction form
   89,067,136/137,910,364 = 137,910,364/x
3. Step 3: Cross multiply
   89,067,136x = 137,910,364 × 137,910,364
4. Step 4: Simplify right side
   89,067,136x = 19,019,268,498,612,496
5. Step 5: Solve for x
   x = 19,019,268,498,612,496/89,067,136
6. Step 6: Final answer
   x = 213,538,565.99