Finding the Third Proportional to 65,878,404 and 143,097,405

Step by Step Solution

1. Step 1: Write the proportion equation
   65,878,404 : 143,097,405 = 143,097,405 : x
2. Step 2: Convert to fraction form
   65,878,404/143,097,405 = 143,097,405/x
3. Step 3: Cross multiply
   65,878,404x = 143,097,405 × 143,097,405
4. Step 4: Simplify right side
   65,878,404x = 20,476,867,317,734,024
5. Step 5: Solve for x
   x = 20,476,867,317,734,024/65,878,404
6. Step 6: Final answer
   x = 310,828,224.04