Finding the Third Proportional to 111,892,603.50 and 235,380,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,892,603.50 : 235,380,247.50 = 235,380,247.50 : x
2. Step 2: Convert to fraction form
   111,892,603.50/235,380,247.50 = 235,380,247.50/x
3. Step 3: Cross multiply
   111,892,603.50x = 235,380,247.50 × 235,380,247.50
4. Step 4: Simplify right side
   111,892,603.50x = 55,403,860,913,161,256
5. Step 5: Solve for x
   x = 55,403,860,913,161,256/111,892,603.50
6. Step 6: Final answer
   x = 495,152,129.63