Finding the Third Proportional to 78,701.63 and 123,114.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,701.63 : 123,114.94 = 123,114.94 : x
2. Step 2: Convert to fraction form
   78,701.63/123,114.94 = 123,114.94/x
3. Step 3: Cross multiply
   78,701.63x = 123,114.94 × 123,114.94
4. Step 4: Simplify right side
   78,701.63x = 15,157,287,835.63
5. Step 5: Solve for x
   x = 15,157,287,835.63/78,701.63
6. Step 6: Final answer
   x = 192,591.80