Finding the Third Proportional to 28,977.96 and 61,783.59

Step by Step Solution

1. Step 1: Write the proportion equation
   28,977.96 : 61,783.59 = 61,783.59 : x
2. Step 2: Convert to fraction form
   28,977.96/61,783.59 = 61,783.59/x
3. Step 3: Cross multiply
   28,977.96x = 61,783.59 × 61,783.59
4. Step 4: Simplify right side
   28,977.96x = 3,817,212,456.67
5. Step 5: Solve for x
   x = 3,817,212,456.67/28,977.96
6. Step 6: Final answer
   x = 131,728.12