Finding the Third Proportional to 7,209,360 and 10,815,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,209,360 : 10,815,475.50 = 10,815,475.50 : x
2. Step 2: Convert to fraction form
   7,209,360/10,815,475.50 = 10,815,475.50/x
3. Step 3: Cross multiply
   7,209,360x = 10,815,475.50 × 10,815,475.50
4. Step 4: Simplify right side
   7,209,360x = 116,974,510,291,100.25
5. Step 5: Solve for x
   x = 116,974,510,291,100.25/7,209,360
6. Step 6: Final answer
   x = 16,225,366.79