Finding the Third Proportional to 28,977.75 and 67,088.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,977.75 : 67,088.25 = 67,088.25 : x
2. Step 2: Convert to fraction form
   28,977.75/67,088.25 = 67,088.25/x
3. Step 3: Cross multiply
   28,977.75x = 67,088.25 × 67,088.25
4. Step 4: Simplify right side
   28,977.75x = 4,500,833,288.06
5. Step 5: Solve for x
   x = 4,500,833,288.06/28,977.75
6. Step 6: Final answer
   x = 155,320.32