Finding the Third Proportional to 64,870 and 98,613

Step by Step Solution

1. Step 1: Write the proportion equation
   64,870 : 98,613 = 98,613 : x
2. Step 2: Convert to fraction form
   64,870/98,613 = 98,613/x
3. Step 3: Cross multiply
   64,870x = 98,613 × 98,613
4. Step 4: Simplify right side
   64,870x = 9,724,523,769
5. Step 5: Solve for x
   x = 9,724,523,769/64,870
6. Step 6: Final answer
   x = 149,907.87