Finding the Third Proportional to 21,685,536 and 31,804,038

Step by Step Solution

1. Step 1: Write the proportion equation
   21,685,536 : 31,804,038 = 31,804,038 : x
2. Step 2: Convert to fraction form
   21,685,536/31,804,038 = 31,804,038/x
3. Step 3: Cross multiply
   21,685,536x = 31,804,038 × 31,804,038
4. Step 4: Simplify right side
   21,685,536x = 1,011,496,833,105,444
5. Step 5: Solve for x
   x = 1,011,496,833,105,444/21,685,536
6. Step 6: Final answer
   x = 46,643,847.45