Finding the Third Proportional to 109,230.50 and 147,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,230.50 : 147,577.50 = 147,577.50 : x
2. Step 2: Convert to fraction form
   109,230.50/147,577.50 = 147,577.50/x
3. Step 3: Cross multiply
   109,230.50x = 147,577.50 × 147,577.50
4. Step 4: Simplify right side
   109,230.50x = 21,779,118,506.25
5. Step 5: Solve for x
   x = 21,779,118,506.25/109,230.50
6. Step 6: Final answer
   x = 199,386.79