Finding the Third Proportional to 65,072 and 98,428

Step by Step Solution

1. Step 1: Write the proportion equation
   65,072 : 98,428 = 98,428 : x
2. Step 2: Convert to fraction form
   65,072/98,428 = 98,428/x
3. Step 3: Cross multiply
   65,072x = 98,428 × 98,428
4. Step 4: Simplify right side
   65,072x = 9,688,071,184
5. Step 5: Solve for x
   x = 9,688,071,184/65,072
6. Step 6: Final answer
   x = 148,882.33