Finding the Third Proportional to 76,200 and 112,090

Step by Step Solution

1. Step 1: Write the proportion equation
   76,200 : 112,090 = 112,090 : x
2. Step 2: Convert to fraction form
   76,200/112,090 = 112,090/x
3. Step 3: Cross multiply
   76,200x = 112,090 × 112,090
4. Step 4: Simplify right side
   76,200x = 12,564,168,100
5. Step 5: Solve for x
   x = 12,564,168,100/76,200
6. Step 6: Final answer
   x = 164,884.10