Finding the Third Proportional to 86,076 and 186,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,076 : 186,445.50 = 186,445.50 : x
2. Step 2: Convert to fraction form
   86,076/186,445.50 = 186,445.50/x
3. Step 3: Cross multiply
   86,076x = 186,445.50 × 186,445.50
4. Step 4: Simplify right side
   86,076x = 34,761,924,470.25
5. Step 5: Solve for x
   x = 34,761,924,470.25/86,076
6. Step 6: Final answer
   x = 403,851.53