Finding the Third Proportional to 14,863,581 and 21,721,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,863,581 : 21,721,855.50 = 21,721,855.50 : x
2. Step 2: Convert to fraction form
   14,863,581/21,721,855.50 = 21,721,855.50/x
3. Step 3: Cross multiply
   14,863,581x = 21,721,855.50 × 21,721,855.50
4. Step 4: Simplify right side
   14,863,581x = 471,839,006,362,880.25
5. Step 5: Solve for x
   x = 471,839,006,362,880.25/14,863,581
6. Step 6: Final answer
   x = 31,744,638.55