Finding the Third Proportional to 4,881,294 and 10,166,608

Step by Step Solution

1. Step 1: Write the proportion equation
   4,881,294 : 10,166,608 = 10,166,608 : x
2. Step 2: Convert to fraction form
   4,881,294/10,166,608 = 10,166,608/x
3. Step 3: Cross multiply
   4,881,294x = 10,166,608 × 10,166,608
4. Step 4: Simplify right side
   4,881,294x = 103,359,918,225,664
5. Step 5: Solve for x
   x = 103,359,918,225,664/4,881,294
6. Step 6: Final answer
   x = 21,174,696.35