Finding the Third Proportional to 5,107,447,962.50 and 7,189,278,068

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107,447,962.50 : 7,189,278,068 = 7,189,278,068 : x
2. Step 2: Convert to fraction form
   5,107,447,962.50/7,189,278,068 = 7,189,278,068/x
3. Step 3: Cross multiply
   5,107,447,962.50x = 7,189,278,068 × 7,189,278,068
4. Step 4: Simplify right side
   5,107,447,962.50x = 51,685,719,139,025,813,504
5. Step 5: Solve for x
   x = 51,685,719,139,025,813,504/5,107,447,962.50
6. Step 6: Final answer
   x = 10,119,676,111.93