Finding the Third Proportional to 85,572 and 186,060

Step by Step Solution

1. Step 1: Write the proportion equation
   85,572 : 186,060 = 186,060 : x
2. Step 2: Convert to fraction form
   85,572/186,060 = 186,060/x
3. Step 3: Cross multiply
   85,572x = 186,060 × 186,060
4. Step 4: Simplify right side
   85,572x = 34,618,323,600
5. Step 5: Solve for x
   x = 34,618,323,600/85,572
6. Step 6: Final answer
   x = 404,552.00