Finding the Third Proportional to 48,888.56 and 77,706.84

Step by Step Solution

1. Step 1: Write the proportion equation
   48,888.56 : 77,706.84 = 77,706.84 : x
2. Step 2: Convert to fraction form
   48,888.56/77,706.84 = 77,706.84/x
3. Step 3: Cross multiply
   48,888.56x = 77,706.84 × 77,706.84
4. Step 4: Simplify right side
   48,888.56x = 6,038,353,565.59
5. Step 5: Solve for x
   x = 6,038,353,565.59/48,888.56
6. Step 6: Final answer
   x = 123,512.60