Finding the Third Proportional to 65,643,050 and 142,845,124

Step by Step Solution

1. Step 1: Write the proportion equation
   65,643,050 : 142,845,124 = 142,845,124 : x
2. Step 2: Convert to fraction form
   65,643,050/142,845,124 = 142,845,124/x
3. Step 3: Cross multiply
   65,643,050x = 142,845,124 × 142,845,124
4. Step 4: Simplify right side
   65,643,050x = 20,404,729,450,575,376
5. Step 5: Solve for x
   x = 20,404,729,450,575,376/65,643,050
6. Step 6: Final answer
   x = 310,843,713.85