Finding the Third Proportional to 18,043,826 and 42,580,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,043,826 : 42,580,200.50 = 42,580,200.50 : x
2. Step 2: Convert to fraction form
   18,043,826/42,580,200.50 = 42,580,200.50/x
3. Step 3: Cross multiply
   18,043,826x = 42,580,200.50 × 42,580,200.50
4. Step 4: Simplify right side
   18,043,826x = 1,813,073,474,620,200.25
5. Step 5: Solve for x
   x = 1,813,073,474,620,200.25/18,043,826
6. Step 6: Final answer
   x = 100,481,653.65