Finding the Third Proportional to 147,665,790 and 321,902,172

Step by Step Solution

1. Step 1: Write the proportion equation
   147,665,790 : 321,902,172 = 321,902,172 : x
2. Step 2: Convert to fraction form
   147,665,790/321,902,172 = 321,902,172/x
3. Step 3: Cross multiply
   147,665,790x = 321,902,172 × 321,902,172
4. Step 4: Simplify right side
   147,665,790x = 103,621,008,338,317,584
5. Step 5: Solve for x
   x = 103,621,008,338,317,584/147,665,790
6. Step 6: Final answer
   x = 701,726,570.10