Finding the Third Proportional to 70,498.13 and 109,213.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,498.13 : 109,213.88 = 109,213.88 : x
2. Step 2: Convert to fraction form
   70,498.13/109,213.88 = 109,213.88/x
3. Step 3: Cross multiply
   70,498.13x = 109,213.88 × 109,213.88
4. Step 4: Simplify right side
   70,498.13x = 11,927,670,492.52
5. Step 5: Solve for x
   x = 11,927,670,492.52/70,498.13
6. Step 6: Final answer
   x = 169,191.32