Finding the Third Proportional to 56,619 and 133,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,619 : 133,762.50 = 133,762.50 : x
2. Step 2: Convert to fraction form
   56,619/133,762.50 = 133,762.50/x
3. Step 3: Cross multiply
   56,619x = 133,762.50 × 133,762.50
4. Step 4: Simplify right side
   56,619x = 17,892,406,406.25
5. Step 5: Solve for x
   x = 17,892,406,406.25/56,619
6. Step 6: Final answer
   x = 316,014.17