Finding the Third Proportional to 20,370.94 and 42,602.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,370.94 : 42,602.06 = 42,602.06 : x
2. Step 2: Convert to fraction form
   20,370.94/42,602.06 = 42,602.06/x
3. Step 3: Cross multiply
   20,370.94x = 42,602.06 × 42,602.06
4. Step 4: Simplify right side
   20,370.94x = 1,814,935,729.25
5. Step 5: Solve for x
   x = 1,814,935,729.25/20,370.94
6. Step 6: Final answer
   x = 89,094.36