Finding the Third Proportional to 142,047,815,770 and 309,101,768,780

Step by Step Solution

1. Step 1: Write the proportion equation
   142,047,815,770 : 309,101,768,780 = 309,101,768,780 : x
2. Step 2: Convert to fraction form
   142,047,815,770/309,101,768,780 = 309,101,768,780/x
3. Step 3: Cross multiply
   142,047,815,770x = 309,101,768,780 × 309,101,768,780
4. Step 4: Simplify right side
   142,047,815,770x = 95,543,903,462,924,583,174,144
5. Step 5: Solve for x
   x = 95,543,903,462,924,583,174,144/142,047,815,770
6. Step 6: Final answer
   x = 672,617,899,437.66