Finding the Third Proportional to 65,878,406.50 and 143,097,410

Step by Step Solution

1. Step 1: Write the proportion equation
   65,878,406.50 : 143,097,410 = 143,097,410 : x
2. Step 2: Convert to fraction form
   65,878,406.50/143,097,410 = 143,097,410/x
3. Step 3: Cross multiply
   65,878,406.50x = 143,097,410 × 143,097,410
4. Step 4: Simplify right side
   65,878,406.50x = 20,476,868,748,708,100
5. Step 5: Solve for x
   x = 20,476,868,748,708,100/65,878,406.50
6. Step 6: Final answer
   x = 310,828,233.96