Finding the Third Proportional to 139,664.25 and 301,471.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,664.25 : 301,471.88 = 301,471.88 : x
2. Step 2: Convert to fraction form
   139,664.25/301,471.88 = 301,471.88/x
3. Step 3: Cross multiply
   139,664.25x = 301,471.88 × 301,471.88
4. Step 4: Simplify right side
   139,664.25x = 90,885,291,416.02
5. Step 5: Solve for x
   x = 90,885,291,416.02/139,664.25
6. Step 6: Final answer
   x = 650,741.27