Finding the Third Proportional to 39,243,777,763.50 and 86,085,235,323

Step by Step Solution

1. Step 1: Write the proportion equation
   39,243,777,763.50 : 86,085,235,323 = 86,085,235,323 : x
2. Step 2: Convert to fraction form
   39,243,777,763.50/86,085,235,323 = 86,085,235,323/x
3. Step 3: Cross multiply
   39,243,777,763.50x = 86,085,235,323 × 86,085,235,323
4. Step 4: Simplify right side
   39,243,777,763.50x = 7,410,667,740,616,287,322,112
5. Step 5: Solve for x
   x = 7,410,667,740,616,287,322,112/39,243,777,763.50
6. Step 6: Final answer
   x = 188,836,757,390.59