Finding the Third Proportional to 70,896 and 99,132

Step by Step Solution

1. Step 1: Write the proportion equation
   70,896 : 99,132 = 99,132 : x
2. Step 2: Convert to fraction form
   70,896/99,132 = 99,132/x
3. Step 3: Cross multiply
   70,896x = 99,132 × 99,132
4. Step 4: Simplify right side
   70,896x = 9,827,153,424
5. Step 5: Solve for x
   x = 9,827,153,424/70,896
6. Step 6: Final answer
   x = 138,613.65