Finding the Third Proportional to 52,218 and 84,060

Step by Step Solution

1. Step 1: Write the proportion equation
   52,218 : 84,060 = 84,060 : x
2. Step 2: Convert to fraction form
   52,218/84,060 = 84,060/x
3. Step 3: Cross multiply
   52,218x = 84,060 × 84,060
4. Step 4: Simplify right side
   52,218x = 7,066,083,600
5. Step 5: Solve for x
   x = 7,066,083,600/52,218
6. Step 6: Final answer
   x = 135,318.92