Finding the Third Proportional to 153,531 and 235,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,531 : 235,156.50 = 235,156.50 : x
2. Step 2: Convert to fraction form
   153,531/235,156.50 = 235,156.50/x
3. Step 3: Cross multiply
   153,531x = 235,156.50 × 235,156.50
4. Step 4: Simplify right side
   153,531x = 55,298,579,492.25
5. Step 5: Solve for x
   x = 55,298,579,492.25/153,531
6. Step 6: Final answer
   x = 360,178.59