Finding the Third Proportional to 123,424,221 and 265,423,362

Step by Step Solution

1. Step 1: Write the proportion equation
   123,424,221 : 265,423,362 = 265,423,362 : x
2. Step 2: Convert to fraction form
   123,424,221/265,423,362 = 265,423,362/x
3. Step 3: Cross multiply
   123,424,221x = 265,423,362 × 265,423,362
4. Step 4: Simplify right side
   123,424,221x = 70,449,561,095,383,040
5. Step 5: Solve for x
   x = 70,449,561,095,383,040/123,424,221
6. Step 6: Final answer
   x = 570,792,025.46