Finding the Third Proportional to 186,219 and 401,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,219 : 401,962.50 = 401,962.50 : x
2. Step 2: Convert to fraction form
   186,219/401,962.50 = 401,962.50/x
3. Step 3: Cross multiply
   186,219x = 401,962.50 × 401,962.50
4. Step 4: Simplify right side
   186,219x = 161,573,851,406.25
5. Step 5: Solve for x
   x = 161,573,851,406.25/186,219
6. Step 6: Final answer
   x = 867,655.03