Finding the Third Proportional to 28,939.50 and 61,434

Step by Step Solution

1. Step 1: Write the proportion equation
   28,939.50 : 61,434 = 61,434 : x
2. Step 2: Convert to fraction form
   28,939.50/61,434 = 61,434/x
3. Step 3: Cross multiply
   28,939.50x = 61,434 × 61,434
4. Step 4: Simplify right side
   28,939.50x = 3,774,136,356
5. Step 5: Solve for x
   x = 3,774,136,356/28,939.50
6. Step 6: Final answer
   x = 130,414.71