Finding the Third Proportional to 272,098.50 and 429,012

Step by Step Solution

1. Step 1: Write the proportion equation
   272,098.50 : 429,012 = 429,012 : x
2. Step 2: Convert to fraction form
   272,098.50/429,012 = 429,012/x
3. Step 3: Cross multiply
   272,098.50x = 429,012 × 429,012
4. Step 4: Simplify right side
   272,098.50x = 184,051,296,144
5. Step 5: Solve for x
   x = 184,051,296,144/272,098.50
6. Step 6: Final answer
   x = 676,414.23