Finding the Third Proportional to 4,865,007,804 and 10,621,773,606

Step by Step Solution

1. Step 1: Write the proportion equation
   4,865,007,804 : 10,621,773,606 = 10,621,773,606 : x
2. Step 2: Convert to fraction form
   4,865,007,804/10,621,773,606 = 10,621,773,606/x
3. Step 3: Cross multiply
   4,865,007,804x = 10,621,773,606 × 10,621,773,606
4. Step 4: Simplify right side
   4,865,007,804x = 112,822,074,537,118,236,672
5. Step 5: Solve for x
   x = 112,822,074,537,118,236,672/4,865,007,804
6. Step 6: Final answer
   x = 23,190,522,828.01