Finding the Third Proportional to 122,622 and 264,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,622 : 264,592.50 = 264,592.50 : x
2. Step 2: Convert to fraction form
   122,622/264,592.50 = 264,592.50/x
3. Step 3: Cross multiply
   122,622x = 264,592.50 × 264,592.50
4. Step 4: Simplify right side
   122,622x = 70,009,191,056.25
5. Step 5: Solve for x
   x = 70,009,191,056.25/122,622
6. Step 6: Final answer
   x = 570,935.00