Finding the Third Proportional to 272,094.75 and 429,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,094.75 : 429,007.50 = 429,007.50 : x
2. Step 2: Convert to fraction form
   272,094.75/429,007.50 = 429,007.50/x
3. Step 3: Cross multiply
   272,094.75x = 429,007.50 × 429,007.50
4. Step 4: Simplify right side
   272,094.75x = 184,047,435,056.25
5. Step 5: Solve for x
   x = 184,047,435,056.25/272,094.75
6. Step 6: Final answer
   x = 676,409.36