Finding the Third Proportional to 414,448.50 and 608,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,448.50 : 608,071.50 = 608,071.50 : x
2. Step 2: Convert to fraction form
   414,448.50/608,071.50 = 608,071.50/x
3. Step 3: Cross multiply
   414,448.50x = 608,071.50 × 608,071.50
4. Step 4: Simplify right side
   414,448.50x = 369,750,949,112.25
5. Step 5: Solve for x
   x = 369,750,949,112.25/414,448.50
6. Step 6: Final answer
   x = 892,151.74