Finding the Third Proportional to 42,206.06 and 90,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,206.06 : 90,061.88 = 90,061.88 : x
2. Step 2: Convert to fraction form
   42,206.06/90,061.88 = 90,061.88/x
3. Step 3: Cross multiply
   42,206.06x = 90,061.88 × 90,061.88
4. Step 4: Simplify right side
   42,206.06x = 8,111,141,328.52
5. Step 5: Solve for x
   x = 8,111,141,328.52/42,206.06
6. Step 6: Final answer
   x = 192,179.53