Finding the Third Proportional to 99,272 and 148,928

Step by Step Solution

1. Step 1: Write the proportion equation
   99,272 : 148,928 = 148,928 : x
2. Step 2: Convert to fraction form
   99,272/148,928 = 148,928/x
3. Step 3: Cross multiply
   99,272x = 148,928 × 148,928
4. Step 4: Simplify right side
   99,272x = 22,179,549,184
5. Step 5: Solve for x
   x = 22,179,549,184/99,272
6. Step 6: Final answer
   x = 223,422.00