Finding the Third Proportional to 45,970 and 68,090

Step by Step Solution

1. Step 1: Write the proportion equation
   45,970 : 68,090 = 68,090 : x
2. Step 2: Convert to fraction form
   45,970/68,090 = 68,090/x
3. Step 3: Cross multiply
   45,970x = 68,090 × 68,090
4. Step 4: Simplify right side
   45,970x = 4,636,248,100
5. Step 5: Solve for x
   x = 4,636,248,100/45,970
6. Step 6: Final answer
   x = 100,853.78