Finding the Third Proportional to 48,430 and 72,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,430 : 72,694.50 = 72,694.50 : x
2. Step 2: Convert to fraction form
   48,430/72,694.50 = 72,694.50/x
3. Step 3: Cross multiply
   48,430x = 72,694.50 × 72,694.50
4. Step 4: Simplify right side
   48,430x = 5,284,490,330.25
5. Step 5: Solve for x
   x = 5,284,490,330.25/48,430
6. Step 6: Final answer
   x = 109,116.05