Finding the Third Proportional to 102,124 and 147,090

Step by Step Solution

1. Step 1: Write the proportion equation
   102,124 : 147,090 = 147,090 : x
2. Step 2: Convert to fraction form
   102,124/147,090 = 147,090/x
3. Step 3: Cross multiply
   102,124x = 147,090 × 147,090
4. Step 4: Simplify right side
   102,124x = 21,635,468,100
5. Step 5: Solve for x
   x = 21,635,468,100/102,124
6. Step 6: Final answer
   x = 211,854.88