Finding the Third Proportional to 562,911 and 829,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   562,911 : 829,477.50 = 829,477.50 : x
2. Step 2: Convert to fraction form
   562,911/829,477.50 = 829,477.50/x
3. Step 3: Cross multiply
   562,911x = 829,477.50 × 829,477.50
4. Step 4: Simplify right side
   562,911x = 688,032,923,006.25
5. Step 5: Solve for x
   x = 688,032,923,006.25/562,911
6. Step 6: Final answer
   x = 1,222,276.56