Finding the Third Proportional to 16,689,942 and 35,775,216

Step by Step Solution

1. Step 1: Write the proportion equation
   16,689,942 : 35,775,216 = 35,775,216 : x
2. Step 2: Convert to fraction form
   16,689,942/35,775,216 = 35,775,216/x
3. Step 3: Cross multiply
   16,689,942x = 35,775,216 × 35,775,216
4. Step 4: Simplify right side
   16,689,942x = 1,279,866,079,846,656
5. Step 5: Solve for x
   x = 1,279,866,079,846,656/16,689,942
6. Step 6: Final answer
   x = 76,684,872.83