Finding the Third Proportional to 70,008 and 91,889

Step by Step Solution

1. Step 1: Write the proportion equation
   70,008 : 91,889 = 91,889 : x
2. Step 2: Convert to fraction form
   70,008/91,889 = 91,889/x
3. Step 3: Cross multiply
   70,008x = 91,889 × 91,889
4. Step 4: Simplify right side
   70,008x = 8,443,588,321
5. Step 5: Solve for x
   x = 8,443,588,321/70,008
6. Step 6: Final answer
   x = 120,608.91