Finding the Third Proportional to 64,820.25 and 100,602

Step by Step Solution

1. Step 1: Write the proportion equation
   64,820.25 : 100,602 = 100,602 : x
2. Step 2: Convert to fraction form
   64,820.25/100,602 = 100,602/x
3. Step 3: Cross multiply
   64,820.25x = 100,602 × 100,602
4. Step 4: Simplify right side
   64,820.25x = 10,120,762,404
5. Step 5: Solve for x
   x = 10,120,762,404/64,820.25
6. Step 6: Final answer
   x = 156,135.81