Finding the Third Proportional to 137,925 and 210,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,925 : 210,895.50 = 210,895.50 : x
2. Step 2: Convert to fraction form
   137,925/210,895.50 = 210,895.50/x
3. Step 3: Cross multiply
   137,925x = 210,895.50 × 210,895.50
4. Step 4: Simplify right side
   137,925x = 44,476,911,920.25
5. Step 5: Solve for x
   x = 44,476,911,920.25/137,925
6. Step 6: Final answer
   x = 322,471.72