Finding the Third Proportional to 43,688,556 and 58,813,218

Step by Step Solution

1. Step 1: Write the proportion equation
   43,688,556 : 58,813,218 = 58,813,218 : x
2. Step 2: Convert to fraction form
   43,688,556/58,813,218 = 58,813,218/x
3. Step 3: Cross multiply
   43,688,556x = 58,813,218 × 58,813,218
4. Step 4: Simplify right side
   43,688,556x = 3,458,994,611,515,524
5. Step 5: Solve for x
   x = 3,458,994,611,515,524/43,688,556
6. Step 6: Final answer
   x = 79,173,928.56