Finding the Third Proportional to 65,570 and 98,688

Step by Step Solution

1. Step 1: Write the proportion equation
   65,570 : 98,688 = 98,688 : x
2. Step 2: Convert to fraction form
   65,570/98,688 = 98,688/x
3. Step 3: Cross multiply
   65,570x = 98,688 × 98,688
4. Step 4: Simplify right side
   65,570x = 9,739,321,344
5. Step 5: Solve for x
   x = 9,739,321,344/65,570
6. Step 6: Final answer
   x = 148,533.19