Finding the Third Proportional to 21,436,316 and 45,637,828

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436,316 : 45,637,828 = 45,637,828 : x
2. Step 2: Convert to fraction form
   21,436,316/45,637,828 = 45,637,828/x
3. Step 3: Cross multiply
   21,436,316x = 45,637,828 × 45,637,828
4. Step 4: Simplify right side
   21,436,316x = 2,082,811,344,557,584
5. Step 5: Solve for x
   x = 2,082,811,344,557,584/21,436,316
6. Step 6: Final answer
   x = 97,162,746.83