Finding the Third Proportional to 65,070 and 88,389

Step by Step Solution

1. Step 1: Write the proportion equation
   65,070 : 88,389 = 88,389 : x
2. Step 2: Convert to fraction form
   65,070/88,389 = 88,389/x
3. Step 3: Cross multiply
   65,070x = 88,389 × 88,389
4. Step 4: Simplify right side
   65,070x = 7,812,615,321
5. Step 5: Solve for x
   x = 7,812,615,321/65,070
6. Step 6: Final answer
   x = 120,064.78