Finding the Third Proportional to 186,848.50 and 290,118

Step by Step Solution

1. Step 1: Write the proportion equation
   186,848.50 : 290,118 = 290,118 : x
2. Step 2: Convert to fraction form
   186,848.50/290,118 = 290,118/x
3. Step 3: Cross multiply
   186,848.50x = 290,118 × 290,118
4. Step 4: Simplify right side
   186,848.50x = 84,168,453,924
5. Step 5: Solve for x
   x = 84,168,453,924/186,848.50
6. Step 6: Final answer
   x = 450,463.63