Finding the Third Proportional to 284,175 and 627,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,175 : 627,637.50 = 627,637.50 : x
2. Step 2: Convert to fraction form
   284,175/627,637.50 = 627,637.50/x
3. Step 3: Cross multiply
   284,175x = 627,637.50 × 627,637.50
4. Step 4: Simplify right side
   284,175x = 393,928,831,406.25
5. Step 5: Solve for x
   x = 393,928,831,406.25/284,175
6. Step 6: Final answer
   x = 1,386,219.17