Finding the Third Proportional to 109,358 and 168,876.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,358 : 168,876.50 = 168,876.50 : x
2. Step 2: Convert to fraction form
   109,358/168,876.50 = 168,876.50/x
3. Step 3: Cross multiply
   109,358x = 168,876.50 × 168,876.50
4. Step 4: Simplify right side
   109,358x = 28,519,272,252.25
5. Step 5: Solve for x
   x = 28,519,272,252.25/109,358
6. Step 6: Final answer
   x = 260,788.17