Finding the Third Proportional to 111,670,407 and 245,383,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,670,407 : 245,383,276.50 = 245,383,276.50 : x
2. Step 2: Convert to fraction form
   111,670,407/245,383,276.50 = 245,383,276.50/x
3. Step 3: Cross multiply
   111,670,407x = 245,383,276.50 × 245,383,276.50
4. Step 4: Simplify right side
   111,670,407x = 60,212,952,385,875,456
5. Step 5: Solve for x
   x = 60,212,952,385,875,456/111,670,407
6. Step 6: Final answer
   x = 539,202,408.26