Finding the Third Proportional to 2,365,188.50 and 5,188,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365,188.50 : 5,188,189.50 = 5,188,189.50 : x
2. Step 2: Convert to fraction form
   2,365,188.50/5,188,189.50 = 5,188,189.50/x
3. Step 3: Cross multiply
   2,365,188.50x = 5,188,189.50 × 5,188,189.50
4. Step 4: Simplify right side
   2,365,188.50x = 26,917,310,287,910.25
5. Step 5: Solve for x
   x = 26,917,310,287,910.25/2,365,188.50
6. Step 6: Final answer
   x = 11,380,619.47