Finding the Third Proportional to 7,688,661.75 and 16,912,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,688,661.75 : 16,912,111.50 = 16,912,111.50 : x
2. Step 2: Convert to fraction form
   7,688,661.75/16,912,111.50 = 16,912,111.50/x
3. Step 3: Cross multiply
   7,688,661.75x = 16,912,111.50 × 16,912,111.50
4. Step 4: Simplify right side
   7,688,661.75x = 286,019,515,388,432.25
5. Step 5: Solve for x
   x = 286,019,515,388,432.25/7,688,661.75
6. Step 6: Final answer
   x = 37,200,168.86