Finding the Third Proportional to 140,308,763,792 and 331,103,571,128

Step by Step Solution

1. Step 1: Write the proportion equation
   140,308,763,792 : 331,103,571,128 = 331,103,571,128 : x
2. Step 2: Convert to fraction form
   140,308,763,792/331,103,571,128 = 331,103,571,128/x
3. Step 3: Cross multiply
   140,308,763,792x = 331,103,571,128 × 331,103,571,128
4. Step 4: Simplify right side
   140,308,763,792x = 109,629,574,813,714,556,649,472
5. Step 5: Solve for x
   x = 109,629,574,813,714,556,649,472/140,308,763,792
6. Step 6: Final answer
   x = 781,345,169,402.49