Finding the Third Proportional to 43,688,558 and 58,813,221

Step by Step Solution

1. Step 1: Write the proportion equation
   43,688,558 : 58,813,221 = 58,813,221 : x
2. Step 2: Convert to fraction form
   43,688,558/58,813,221 = 58,813,221/x
3. Step 3: Cross multiply
   43,688,558x = 58,813,221 × 58,813,221
4. Step 4: Simplify right side
   43,688,558x = 3,458,994,964,394,841
5. Step 5: Solve for x
   x = 3,458,994,964,394,841/43,688,558
6. Step 6: Final answer
   x = 79,173,933.01