Finding the Third Proportional to 146,235,721.50 and 321,164,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,235,721.50 : 321,164,869.50 = 321,164,869.50 : x
2. Step 2: Convert to fraction form
   146,235,721.50/321,164,869.50 = 321,164,869.50/x
3. Step 3: Cross multiply
   146,235,721.50x = 321,164,869.50 × 321,164,869.50
4. Step 4: Simplify right side
   146,235,721.50x = 103,146,873,400,952,032
5. Step 5: Solve for x
   x = 103,146,873,400,952,032/146,235,721.50
6. Step 6: Final answer
   x = 705,346,630.38