Finding the Third Proportional to 148,327.50 and 307,164

Step by Step Solution

1. Step 1: Write the proportion equation
   148,327.50 : 307,164 = 307,164 : x
2. Step 2: Convert to fraction form
   148,327.50/307,164 = 307,164/x
3. Step 3: Cross multiply
   148,327.50x = 307,164 × 307,164
4. Step 4: Simplify right side
   148,327.50x = 94,349,722,896
5. Step 5: Solve for x
   x = 94,349,722,896/148,327.50
6. Step 6: Final answer
   x = 636,090.56