Finding the Third Proportional to 137,065.50 and 210,948

Step by Step Solution

1. Step 1: Write the proportion equation
   137,065.50 : 210,948 = 210,948 : x
2. Step 2: Convert to fraction form
   137,065.50/210,948 = 210,948/x
3. Step 3: Cross multiply
   137,065.50x = 210,948 × 210,948
4. Step 4: Simplify right side
   137,065.50x = 44,499,058,704
5. Step 5: Solve for x
   x = 44,499,058,704/137,065.50
6. Step 6: Final answer
   x = 324,655.43