Finding the Third Proportional to 103,254 and 212,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   103,254 : 212,066.25 = 212,066.25 : x
2. Step 2: Convert to fraction form
   103,254/212,066.25 = 212,066.25/x
3. Step 3: Cross multiply
   103,254x = 212,066.25 × 212,066.25
4. Step 4: Simplify right side
   103,254x = 44,972,094,389.06
5. Step 5: Solve for x
   x = 44,972,094,389.06/103,254
6. Step 6: Final answer
   x = 435,548.21