Finding the Third Proportional to 142,047,812,574 and 309,101,762,326

Step by Step Solution

1. Step 1: Write the proportion equation
   142,047,812,574 : 309,101,762,326 = 309,101,762,326 : x
2. Step 2: Convert to fraction form
   142,047,812,574/309,101,762,326 = 309,101,762,326/x
3. Step 3: Cross multiply
   142,047,812,574x = 309,101,762,326 × 309,101,762,326
4. Step 4: Simplify right side
   142,047,812,574x = 95,543,899,473,038,997,979,136
5. Step 5: Solve for x
   x = 95,543,899,473,038,997,979,136/142,047,812,574
6. Step 6: Final answer
   x = 672,617,886,482.87