Finding the Third Proportional to 186,848 and 290,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   186,848 : 290,117.25 = 290,117.25 : x
2. Step 2: Convert to fraction form
   186,848/290,117.25 = 290,117.25/x
3. Step 3: Cross multiply
   186,848x = 290,117.25 × 290,117.25
4. Step 4: Simplify right side
   186,848x = 84,168,018,747.56
5. Step 5: Solve for x
   x = 84,168,018,747.56/186,848
6. Step 6: Final answer
   x = 450,462.51