Finding the Third Proportional to 30,602.81 and 59,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,602.81 : 59,686.88 = 59,686.88 : x
2. Step 2: Convert to fraction form
   30,602.81/59,686.88 = 59,686.88/x
3. Step 3: Cross multiply
   30,602.81x = 59,686.88 × 59,686.88
4. Step 4: Simplify right side
   30,602.81x = 3,562,523,047.27
5. Step 5: Solve for x
   x = 3,562,523,047.27/30,602.81
6. Step 6: Final answer
   x = 116,411.62