Finding the Third Proportional to 56,677.50 and 79,238.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,677.50 : 79,238.25 = 79,238.25 : x
2. Step 2: Convert to fraction form
   56,677.50/79,238.25 = 79,238.25/x
3. Step 3: Cross multiply
   56,677.50x = 79,238.25 × 79,238.25
4. Step 4: Simplify right side
   56,677.50x = 6,278,700,263.06
5. Step 5: Solve for x
   x = 6,278,700,263.06/56,677.50
6. Step 6: Final answer
   x = 110,779.41