Finding the Third Proportional to 89,603,788.50 and 194,976,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,603,788.50 : 194,976,394.50 = 194,976,394.50 : x
2. Step 2: Convert to fraction form
   89,603,788.50/194,976,394.50 = 194,976,394.50/x
3. Step 3: Cross multiply
   89,603,788.50x = 194,976,394.50 × 194,976,394.50
4. Step 4: Simplify right side
   89,603,788.50x = 38,015,794,412,219,632
5. Step 5: Solve for x
   x = 38,015,794,412,219,632/89,603,788.50
6. Step 6: Final answer
   x = 424,265,480.83