Finding the Third Proportional to 7,328,157 and 10,778,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,328,157 : 10,778,986.50 = 10,778,986.50 : x
2. Step 2: Convert to fraction form
   7,328,157/10,778,986.50 = 10,778,986.50/x
3. Step 3: Cross multiply
   7,328,157x = 10,778,986.50 × 10,778,986.50
4. Step 4: Simplify right side
   7,328,157x = 116,186,549,967,182.25
5. Step 5: Solve for x
   x = 116,186,549,967,182.25/7,328,157
6. Step 6: Final answer
   x = 15,854,811.79