Finding the Third Proportional to 4,881,293 and 10,166,606

Step by Step Solution

1. Step 1: Write the proportion equation
   4,881,293 : 10,166,606 = 10,166,606 : x
2. Step 2: Convert to fraction form
   4,881,293/10,166,606 = 10,166,606/x
3. Step 3: Cross multiply
   4,881,293x = 10,166,606 × 10,166,606
4. Step 4: Simplify right side
   4,881,293x = 103,359,877,559,236
5. Step 5: Solve for x
   x = 103,359,877,559,236/4,881,293
6. Step 6: Final answer
   x = 21,174,692.35