Finding the Third Proportional to 28,618.31 and 61,468.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,618.31 : 61,468.88 = 61,468.88 : x
2. Step 2: Convert to fraction form
   28,618.31/61,468.88 = 61,468.88/x
3. Step 3: Cross multiply
   28,618.31x = 61,468.88 × 61,468.88
4. Step 4: Simplify right side
   28,618.31x = 3,778,422,593.77
5. Step 5: Solve for x
   x = 3,778,422,593.77/28,618.31
6. Step 6: Final answer
   x = 132,028.14