Finding the Third Proportional to 7,209,364.50 and 10,815,482.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,209,364.50 : 10,815,482.25 = 10,815,482.25 : x
2. Step 2: Convert to fraction form
   7,209,364.50/10,815,482.25 = 10,815,482.25/x
3. Step 3: Cross multiply
   7,209,364.50x = 10,815,482.25 × 10,815,482.25
4. Step 4: Simplify right side
   7,209,364.50x = 116,974,656,300,065.06
5. Step 5: Solve for x
   x = 116,974,656,300,065.06/7,209,364.50
6. Step 6: Final answer
   x = 16,225,376.91