Finding the Third Proportional to 65,878,410 and 143,097,418

Step by Step Solution

1. Step 1: Write the proportion equation
   65,878,410 : 143,097,418 = 143,097,418 : x
2. Step 2: Convert to fraction form
   65,878,410/143,097,418 = 143,097,418/x
3. Step 3: Cross multiply
   65,878,410x = 143,097,418 × 143,097,418
4. Step 4: Simplify right side
   65,878,410x = 20,476,871,038,266,724
5. Step 5: Solve for x
   x = 20,476,871,038,266,724/65,878,410
6. Step 6: Final answer
   x = 310,828,252.20