Finding the Third Proportional to 16,265,537 and 21,684,964

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265,537 : 21,684,964 = 21,684,964 : x
2. Step 2: Convert to fraction form
   16,265,537/21,684,964 = 21,684,964/x
3. Step 3: Cross multiply
   16,265,537x = 21,684,964 × 21,684,964
4. Step 4: Simplify right side
   16,265,537x = 470,237,663,681,296
5. Step 5: Solve for x
   x = 470,237,663,681,296/16,265,537
6. Step 6: Final answer
   x = 28,910,060.80