Finding the Third Proportional to 16,521,053.50 and 35,787,395

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521,053.50 : 35,787,395 = 35,787,395 : x
2. Step 2: Convert to fraction form
   16,521,053.50/35,787,395 = 35,787,395/x
3. Step 3: Cross multiply
   16,521,053.50x = 35,787,395 × 35,787,395
4. Step 4: Simplify right side
   16,521,053.50x = 1,280,737,640,886,025
5. Step 5: Solve for x
   x = 1,280,737,640,886,025/16,521,053.50
6. Step 6: Final answer
   x = 77,521,547.94