Finding the Third Proportional to 42,954 and 64,359

Step by Step Solution

1. Step 1: Write the proportion equation
   42,954 : 64,359 = 64,359 : x
2. Step 2: Convert to fraction form
   42,954/64,359 = 64,359/x
3. Step 3: Cross multiply
   42,954x = 64,359 × 64,359
4. Step 4: Simplify right side
   42,954x = 4,142,080,881
5. Step 5: Solve for x
   x = 4,142,080,881/42,954
6. Step 6: Final answer
   x = 96,430.62