Finding the Third Proportional to 7,328,154.50 and 10,778,984

Step by Step Solution

1. Step 1: Write the proportion equation
   7,328,154.50 : 10,778,984 = 10,778,984 : x
2. Step 2: Convert to fraction form
   7,328,154.50/10,778,984 = 10,778,984/x
3. Step 3: Cross multiply
   7,328,154.50x = 10,778,984 × 10,778,984
4. Step 4: Simplify right side
   7,328,154.50x = 116,186,496,072,256
5. Step 5: Solve for x
   x = 116,186,496,072,256/7,328,154.50
6. Step 6: Final answer
   x = 15,854,809.84