Finding the Third Proportional to 389,468,189.25 and 604,987,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,468,189.25 : 604,987,501.50 = 604,987,501.50 : x
2. Step 2: Convert to fraction form
   389,468,189.25/604,987,501.50 = 604,987,501.50/x
3. Step 3: Cross multiply
   389,468,189.25x = 604,987,501.50 × 604,987,501.50
4. Step 4: Simplify right side
   389,468,189.25x = 366,009,876,971,212,480
5. Step 5: Solve for x
   x = 366,009,876,971,212,480/389,468,189.25
6. Step 6: Final answer
   x = 939,768,348.41