Finding the Third Proportional to 75,421.50 and 148,938

Step by Step Solution

1. Step 1: Write the proportion equation
   75,421.50 : 148,938 = 148,938 : x
2. Step 2: Convert to fraction form
   75,421.50/148,938 = 148,938/x
3. Step 3: Cross multiply
   75,421.50x = 148,938 × 148,938
4. Step 4: Simplify right side
   75,421.50x = 22,182,527,844
5. Step 5: Solve for x
   x = 22,182,527,844/75,421.50
6. Step 6: Final answer
   x = 294,114.12