Finding the Third Proportional to 101,980.50 and 216,117

Step by Step Solution

1. Step 1: Write the proportion equation
   101,980.50 : 216,117 = 216,117 : x
2. Step 2: Convert to fraction form
   101,980.50/216,117 = 216,117/x
3. Step 3: Cross multiply
   101,980.50x = 216,117 × 216,117
4. Step 4: Simplify right side
   101,980.50x = 46,706,557,689
5. Step 5: Solve for x
   x = 46,706,557,689/101,980.50
6. Step 6: Final answer
   x = 457,994.99