Finding the Third Proportional to 609,165,621 and 1,335,112,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   609,165,621 : 1,335,112,288.50 = 1,335,112,288.50 : x
2. Step 2: Convert to fraction form
   609,165,621/1,335,112,288.50 = 1,335,112,288.50/x
3. Step 3: Cross multiply
   609,165,621x = 1,335,112,288.50 × 1,335,112,288.50
4. Step 4: Simplify right side
   609,165,621x = 1,782,524,822,903,707,136
5. Step 5: Solve for x
   x = 1,782,524,822,903,707,136/609,165,621
6. Step 6: Final answer
   x = 2,926,174,362.86