Finding the Third Proportional to 88,343,208 and 188,968,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,343,208 : 188,968,603.50 = 188,968,603.50 : x
2. Step 2: Convert to fraction form
   88,343,208/188,968,603.50 = 188,968,603.50/x
3. Step 3: Cross multiply
   88,343,208x = 188,968,603.50 × 188,968,603.50
4. Step 4: Simplify right side
   88,343,208x = 35,709,133,108,740,212
5. Step 5: Solve for x
   x = 35,709,133,108,740,212/88,343,208
6. Step 6: Final answer
   x = 404,209,151.07