Finding the Third Proportional to 18,043,933.50 and 42,103,968.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,043,933.50 : 42,103,968.75 = 42,103,968.75 : x
2. Step 2: Convert to fraction form
   18,043,933.50/42,103,968.75 = 42,103,968.75/x
3. Step 3: Cross multiply
   18,043,933.50x = 42,103,968.75 × 42,103,968.75
4. Step 4: Simplify right side
   18,043,933.50x = 1,772,744,184,500,976.50
5. Step 5: Solve for x
   x = 1,772,744,184,500,976.50/18,043,933.50
6. Step 6: Final answer
   x = 98,245,994.12