Finding the Third Proportional to 46,172 and 99,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,172 : 99,726.50 = 99,726.50 : x
2. Step 2: Convert to fraction form
   46,172/99,726.50 = 99,726.50/x
3. Step 3: Cross multiply
   46,172x = 99,726.50 × 99,726.50
4. Step 4: Simplify right side
   46,172x = 9,945,374,802.25
5. Step 5: Solve for x
   x = 9,945,374,802.25/46,172
6. Step 6: Final answer
   x = 215,398.40