Finding the Third Proportional to 35,473.50 and 53,215.31

Step by Step Solution

1. Step 1: Write the proportion equation
   35,473.50 : 53,215.31 = 53,215.31 : x
2. Step 2: Convert to fraction form
   35,473.50/53,215.31 = 53,215.31/x
3. Step 3: Cross multiply
   35,473.50x = 53,215.31 × 53,215.31
4. Step 4: Simplify right side
   35,473.50x = 2,831,869,484.47
5. Step 5: Solve for x
   x = 2,831,869,484.47/35,473.50
6. Step 6: Final answer
   x = 79,830.56