Finding the Third Proportional to 86,388 and 114,810

Step by Step Solution

1. Step 1: Write the proportion equation
   86,388 : 114,810 = 114,810 : x
2. Step 2: Convert to fraction form
   86,388/114,810 = 114,810/x
3. Step 3: Cross multiply
   86,388x = 114,810 × 114,810
4. Step 4: Simplify right side
   86,388x = 13,181,336,100
5. Step 5: Solve for x
   x = 13,181,336,100/86,388
6. Step 6: Final answer
   x = 152,582.95