Finding the Third Proportional to 407,054 and 598,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   407,054 : 598,392.50 = 598,392.50 : x
2. Step 2: Convert to fraction form
   407,054/598,392.50 = 598,392.50/x
3. Step 3: Cross multiply
   407,054x = 598,392.50 × 598,392.50
4. Step 4: Simplify right side
   407,054x = 358,073,584,056.25
5. Step 5: Solve for x
   x = 358,073,584,056.25/407,054
6. Step 6: Final answer
   x = 879,670.96