Finding the Third Proportional to 70,473 and 109,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,473 : 109,132.50 = 109,132.50 : x
2. Step 2: Convert to fraction form
   70,473/109,132.50 = 109,132.50/x
3. Step 3: Cross multiply
   70,473x = 109,132.50 × 109,132.50
4. Step 4: Simplify right side
   70,473x = 11,909,902,556.25
5. Step 5: Solve for x
   x = 11,909,902,556.25/70,473
6. Step 6: Final answer
   x = 168,999.51