Finding the Third Proportional to 64,280 and 98,864

Step by Step Solution

1. Step 1: Write the proportion equation
   64,280 : 98,864 = 98,864 : x
2. Step 2: Convert to fraction form
   64,280/98,864 = 98,864/x
3. Step 3: Cross multiply
   64,280x = 98,864 × 98,864
4. Step 4: Simplify right side
   64,280x = 9,774,090,496
5. Step 5: Solve for x
   x = 9,774,090,496/64,280
6. Step 6: Final answer
   x = 152,054.92