Finding the Third Proportional to 42,705 and 63,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,705 : 63,859.50 = 63,859.50 : x
2. Step 2: Convert to fraction form
   42,705/63,859.50 = 63,859.50/x
3. Step 3: Cross multiply
   42,705x = 63,859.50 × 63,859.50
4. Step 4: Simplify right side
   42,705x = 4,078,035,740.25
5. Step 5: Solve for x
   x = 4,078,035,740.25/42,705
6. Step 6: Final answer
   x = 95,493.17