Finding the Third Proportional to 42,460.88 and 89,980.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,460.88 : 89,980.88 = 89,980.88 : x
2. Step 2: Convert to fraction form
   42,460.88/89,980.88 = 89,980.88/x
3. Step 3: Cross multiply
   42,460.88x = 89,980.88 × 89,980.88
4. Step 4: Simplify right side
   42,460.88x = 8,096,557,865.77
5. Step 5: Solve for x
   x = 8,096,557,865.77/42,460.88
6. Step 6: Final answer
   x = 190,682.78