Finding the Third Proportional to 431,196,138.81 and 938,060,350.42

Step by Step Solution

1. Step 1: Write the proportion equation
   431,196,138.81 : 938,060,350.42 = 938,060,350.42 : x
2. Step 2: Convert to fraction form
   431,196,138.81/938,060,350.42 = 938,060,350.42/x
3. Step 3: Cross multiply
   431,196,138.81x = 938,060,350.42 × 938,060,350.42
4. Step 4: Simplify right side
   431,196,138.81x = 879,957,221,026,303,360
5. Step 5: Solve for x
   x = 879,957,221,026,303,360/431,196,138.81
6. Step 6: Final answer
   x = 2,040,735,391.23