Finding the Third Proportional to 349,007 and 553,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,007 : 553,535.50 = 553,535.50 : x
2. Step 2: Convert to fraction form
   349,007/553,535.50 = 553,535.50/x
3. Step 3: Cross multiply
   349,007x = 553,535.50 × 553,535.50
4. Step 4: Simplify right side
   349,007x = 306,401,549,760.25
5. Step 5: Solve for x
   x = 306,401,549,760.25/349,007
6. Step 6: Final answer
   x = 877,923.79