Finding the Third Proportional to 13,676,215.50 and 21,655,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,676,215.50 : 21,655,939.50 = 21,655,939.50 : x
2. Step 2: Convert to fraction form
   13,676,215.50/21,655,939.50 = 21,655,939.50/x
3. Step 3: Cross multiply
   13,676,215.50x = 21,655,939.50 × 21,655,939.50
4. Step 4: Simplify right side
   13,676,215.50x = 468,979,715,627,660.25
5. Step 5: Solve for x
   x = 468,979,715,627,660.25/13,676,215.50
6. Step 6: Final answer
   x = 34,291,629.55