Finding the Third Proportional to 28,218 and 60,090

Step by Step Solution

1. Step 1: Write the proportion equation
   28,218 : 60,090 = 60,090 : x
2. Step 2: Convert to fraction form
   28,218/60,090 = 60,090/x
3. Step 3: Cross multiply
   28,218x = 60,090 × 60,090
4. Step 4: Simplify right side
   28,218x = 3,610,808,100
5. Step 5: Solve for x
   x = 3,610,808,100/28,218
6. Step 6: Final answer
   x = 127,961.16