Finding the Third Proportional to 101,118 and 220,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,118 : 220,072.50 = 220,072.50 : x
2. Step 2: Convert to fraction form
   101,118/220,072.50 = 220,072.50/x
3. Step 3: Cross multiply
   101,118x = 220,072.50 × 220,072.50
4. Step 4: Simplify right side
   101,118x = 48,431,905,256.25
5. Step 5: Solve for x
   x = 48,431,905,256.25/101,118
6. Step 6: Final answer
   x = 478,964.23