Finding the Third Proportional to 30,145.50 and 61,111.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,145.50 : 61,111.13 = 61,111.13 : x
2. Step 2: Convert to fraction form
   30,145.50/61,111.13 = 61,111.13/x
3. Step 3: Cross multiply
   30,145.50x = 61,111.13 × 61,111.13
4. Step 4: Simplify right side
   30,145.50x = 3,734,569,598.77
5. Step 5: Solve for x
   x = 3,734,569,598.77/30,145.50
6. Step 6: Final answer
   x = 123,884.81