Finding the Third Proportional to 64,738 and 87,466

Step by Step Solution

1. Step 1: Write the proportion equation
   64,738 : 87,466 = 87,466 : x
2. Step 2: Convert to fraction form
   64,738/87,466 = 87,466/x
3. Step 3: Cross multiply
   64,738x = 87,466 × 87,466
4. Step 4: Simplify right side
   64,738x = 7,650,301,156
5. Step 5: Solve for x
   x = 7,650,301,156/64,738
6. Step 6: Final answer
   x = 118,173.27