Finding the Third Proportional to 8,655,967.50 and 13,456,464

Step by Step Solution

1. Step 1: Write the proportion equation
   8,655,967.50 : 13,456,464 = 13,456,464 : x
2. Step 2: Convert to fraction form
   8,655,967.50/13,456,464 = 13,456,464/x
3. Step 3: Cross multiply
   8,655,967.50x = 13,456,464 × 13,456,464
4. Step 4: Simplify right side
   8,655,967.50x = 181,076,423,383,296
5. Step 5: Solve for x
   x = 181,076,423,383,296/8,655,967.50
6. Step 6: Final answer
   x = 20,919,258.69