Finding the Third Proportional to 101,435.25 and 216,942

Step by Step Solution

1. Step 1: Write the proportion equation
   101,435.25 : 216,942 = 216,942 : x
2. Step 2: Convert to fraction form
   101,435.25/216,942 = 216,942/x
3. Step 3: Cross multiply
   101,435.25x = 216,942 × 216,942
4. Step 4: Simplify right side
   101,435.25x = 47,063,831,364
5. Step 5: Solve for x
   x = 47,063,831,364/101,435.25
6. Step 6: Final answer
   x = 463,979.05