Finding the Third Proportional to 146,209,273 and 321,112,836

Step by Step Solution

1. Step 1: Write the proportion equation
   146,209,273 : 321,112,836 = 321,112,836 : x
2. Step 2: Convert to fraction form
   146,209,273/321,112,836 = 321,112,836/x
3. Step 3: Cross multiply
   146,209,273x = 321,112,836 × 321,112,836
4. Step 4: Simplify right side
   146,209,273x = 103,113,453,443,962,896
5. Step 5: Solve for x
   x = 103,113,453,443,962,896/146,209,273
6. Step 6: Final answer
   x = 705,245,647.75