Finding the Third Proportional to 77,343 and 123,069.13

Step by Step Solution

1. Step 1: Write the proportion equation
   77,343 : 123,069.13 = 123,069.13 : x
2. Step 2: Convert to fraction form
   77,343/123,069.13 = 123,069.13/x
3. Step 3: Cross multiply
   77,343x = 123,069.13 × 123,069.13
4. Step 4: Simplify right side
   77,343x = 15,146,009,528.27
5. Step 5: Solve for x
   x = 15,146,009,528.27/77,343
6. Step 6: Final answer
   x = 195,829.09