Finding the Third Proportional to 277,203 and 429,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,203 : 429,052.50 = 429,052.50 : x
2. Step 2: Convert to fraction form
   277,203/429,052.50 = 429,052.50/x
3. Step 3: Cross multiply
   277,203x = 429,052.50 × 429,052.50
4. Step 4: Simplify right side
   277,203x = 184,086,047,756.25
5. Step 5: Solve for x
   x = 184,086,047,756.25/277,203
6. Step 6: Final answer
   x = 664,083.89