Finding the Third Proportional to 122,229 and 264,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,229 : 264,807.50 = 264,807.50 : x
2. Step 2: Convert to fraction form
   122,229/264,807.50 = 264,807.50/x
3. Step 3: Cross multiply
   122,229x = 264,807.50 × 264,807.50
4. Step 4: Simplify right side
   122,229x = 70,123,012,056.25
5. Step 5: Solve for x
   x = 70,123,012,056.25/122,229
6. Step 6: Final answer
   x = 573,701.92