Finding the Third Proportional to 74,860 and 112,280

Step by Step Solution

1. Step 1: Write the proportion equation
   74,860 : 112,280 = 112,280 : x
2. Step 2: Convert to fraction form
   74,860/112,280 = 112,280/x
3. Step 3: Cross multiply
   74,860x = 112,280 × 112,280
4. Step 4: Simplify right side
   74,860x = 12,606,798,400
5. Step 5: Solve for x
   x = 12,606,798,400/74,860
6. Step 6: Final answer
   x = 168,405.00