Finding the Third Proportional to 61,442 and 133,810

Step by Step Solution

1. Step 1: Write the proportion equation
   61,442 : 133,810 = 133,810 : x
2. Step 2: Convert to fraction form
   61,442/133,810 = 133,810/x
3. Step 3: Cross multiply
   61,442x = 133,810 × 133,810
4. Step 4: Simplify right side
   61,442x = 17,905,116,100
5. Step 5: Solve for x
   x = 17,905,116,100/61,442
6. Step 6: Final answer
   x = 291,414.93