Finding the Third Proportional to 139,056.75 and 223,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,056.75 : 223,762.50 = 223,762.50 : x
2. Step 2: Convert to fraction form
   139,056.75/223,762.50 = 223,762.50/x
3. Step 3: Cross multiply
   139,056.75x = 223,762.50 × 223,762.50
4. Step 4: Simplify right side
   139,056.75x = 50,069,656,406.25
5. Step 5: Solve for x
   x = 50,069,656,406.25/139,056.75
6. Step 6: Final answer
   x = 360,066.35