Finding the Third Proportional to 27,798.19 and 61,139.81

Step by Step Solution

1. Step 1: Write the proportion equation
   27,798.19 : 61,139.81 = 61,139.81 : x
2. Step 2: Convert to fraction form
   27,798.19/61,139.81 = 61,139.81/x
3. Step 3: Cross multiply
   27,798.19x = 61,139.81 × 61,139.81
4. Step 4: Simplify right side
   27,798.19x = 3,738,076,672.54
5. Step 5: Solve for x
   x = 3,738,076,672.54/27,798.19
6. Step 6: Final answer
   x = 134,471.96