Finding the Third Proportional to 50,518.50 and 77,312.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,518.50 : 77,312.25 = 77,312.25 : x
2. Step 2: Convert to fraction form
   50,518.50/77,312.25 = 77,312.25/x
3. Step 3: Cross multiply
   50,518.50x = 77,312.25 × 77,312.25
4. Step 4: Simplify right side
   50,518.50x = 5,977,184,000.06
5. Step 5: Solve for x
   x = 5,977,184,000.06/50,518.50
6. Step 6: Final answer
   x = 118,316.74