Finding the Third Proportional to 21,284,700 and 46,689,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,284,700 : 46,689,709.50 = 46,689,709.50 : x
2. Step 2: Convert to fraction form
   21,284,700/46,689,709.50 = 46,689,709.50/x
3. Step 3: Cross multiply
   21,284,700x = 46,689,709.50 × 46,689,709.50
4. Step 4: Simplify right side
   21,284,700x = 2,179,928,973,194,390.25
5. Step 5: Solve for x
   x = 2,179,928,973,194,390.25/21,284,700
6. Step 6: Final answer
   x = 102,417,650.86