Finding the Third Proportional to 42,384,547.50 and 91,544,880

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384,547.50 : 91,544,880 = 91,544,880 : x
2. Step 2: Convert to fraction form
   42,384,547.50/91,544,880 = 91,544,880/x
3. Step 3: Cross multiply
   42,384,547.50x = 91,544,880 × 91,544,880
4. Step 4: Simplify right side
   42,384,547.50x = 8,380,465,054,214,400
5. Step 5: Solve for x
   x = 8,380,465,054,214,400/42,384,547.50
6. Step 6: Final answer
   x = 197,724,537.56