Finding the Third Proportional to 70,680 and 99,076

Step by Step Solution

1. Step 1: Write the proportion equation
   70,680 : 99,076 = 99,076 : x
2. Step 2: Convert to fraction form
   70,680/99,076 = 99,076/x
3. Step 3: Cross multiply
   70,680x = 99,076 × 99,076
4. Step 4: Simplify right side
   70,680x = 9,816,053,776
5. Step 5: Solve for x
   x = 9,816,053,776/70,680
6. Step 6: Final answer
   x = 138,880.22