Finding the Third Proportional to 216,402 and 472,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   216,402 : 472,627.50 = 472,627.50 : x
2. Step 2: Convert to fraction form
   216,402/472,627.50 = 472,627.50/x
3. Step 3: Cross multiply
   216,402x = 472,627.50 × 472,627.50
4. Step 4: Simplify right side
   216,402x = 223,376,753,756.25
5. Step 5: Solve for x
   x = 223,376,753,756.25/216,402
6. Step 6: Final answer
   x = 1,032,230.54