Finding the Third Proportional to 38,230.13 and 89,947.88

Step by Step Solution

1. Step 1: Write the proportion equation
   38,230.13 : 89,947.88 = 89,947.88 : x
2. Step 2: Convert to fraction form
   38,230.13/89,947.88 = 89,947.88/x
3. Step 3: Cross multiply
   38,230.13x = 89,947.88 × 89,947.88
4. Step 4: Simplify right side
   38,230.13x = 8,090,620,217.02
5. Step 5: Solve for x
   x = 8,090,620,217.02/38,230.13
6. Step 6: Final answer
   x = 211,629.45