Finding the Third Proportional to 65,643,053 and 142,845,130

Step by Step Solution

1. Step 1: Write the proportion equation
   65,643,053 : 142,845,130 = 142,845,130 : x
2. Step 2: Convert to fraction form
   65,643,053/142,845,130 = 142,845,130/x
3. Step 3: Cross multiply
   65,643,053x = 142,845,130 × 142,845,130
4. Step 4: Simplify right side
   65,643,053x = 20,404,731,164,716,900
5. Step 5: Solve for x
   x = 20,404,731,164,716,900/65,643,053
6. Step 6: Final answer
   x = 310,843,725.76