Finding the Third Proportional to 28,210.78 and 61,281.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,210.78 : 61,281.56 = 61,281.56 : x
2. Step 2: Convert to fraction form
   28,210.78/61,281.56 = 61,281.56/x
3. Step 3: Cross multiply
   28,210.78x = 61,281.56 × 61,281.56
4. Step 4: Simplify right side
   28,210.78x = 3,755,429,902.44
5. Step 5: Solve for x
   x = 3,755,429,902.44/28,210.78
6. Step 6: Final answer
   x = 133,120.38