Finding the Third Proportional to 349,110 and 498,308.06

Step by Step Solution

1. Step 1: Write the proportion equation
   349,110 : 498,308.06 = 498,308.06 : x
2. Step 2: Convert to fraction form
   349,110/498,308.06 = 498,308.06/x
3. Step 3: Cross multiply
   349,110x = 498,308.06 × 498,308.06
4. Step 4: Simplify right side
   349,110x = 248,310,925,152.50
5. Step 5: Solve for x
   x = 248,310,925,152.50/349,110
6. Step 6: Final answer
   x = 711,268.44