Finding the Third Proportional to 64,881 and 82,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,881 : 82,903.50 = 82,903.50 : x
2. Step 2: Convert to fraction form
   64,881/82,903.50 = 82,903.50/x
3. Step 3: Cross multiply
   64,881x = 82,903.50 × 82,903.50
4. Step 4: Simplify right side
   64,881x = 6,872,990,312.25
5. Step 5: Solve for x
   x = 6,872,990,312.25/64,881
6. Step 6: Final answer
   x = 105,932.25