Finding the Third Proportional to 108,711,426 and 164,649,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,711,426 : 164,649,568.50 = 164,649,568.50 : x
2. Step 2: Convert to fraction form
   108,711,426/164,649,568.50 = 164,649,568.50/x
3. Step 3: Cross multiply
   108,711,426x = 164,649,568.50 × 164,649,568.50
4. Step 4: Simplify right side
   108,711,426x = 27,109,480,407,236,192
5. Step 5: Solve for x
   x = 27,109,480,407,236,192/108,711,426
6. Step 6: Final answer
   x = 249,371,031.22