Finding the Third Proportional to 21,090 and 46,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,090 : 46,066.50 = 46,066.50 : x
2. Step 2: Convert to fraction form
   21,090/46,066.50 = 46,066.50/x
3. Step 3: Cross multiply
   21,090x = 46,066.50 × 46,066.50
4. Step 4: Simplify right side
   21,090x = 2,122,122,422.25
5. Step 5: Solve for x
   x = 2,122,122,422.25/21,090
6. Step 6: Final answer
   x = 100,622.21