Finding the Third Proportional to 78,035.63 and 116,839.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,035.63 : 116,839.69 = 116,839.69 : x
2. Step 2: Convert to fraction form
   78,035.63/116,839.69 = 116,839.69/x
3. Step 3: Cross multiply
   78,035.63x = 116,839.69 × 116,839.69
4. Step 4: Simplify right side
   78,035.63x = 13,651,512,575.10
5. Step 5: Solve for x
   x = 13,651,512,575.10/78,035.63
6. Step 6: Final answer
   x = 174,939.49