Finding the Third Proportional to 12,934,908 and 21,556,881

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934,908 : 21,556,881 = 21,556,881 : x
2. Step 2: Convert to fraction form
   12,934,908/21,556,881 = 21,556,881/x
3. Step 3: Cross multiply
   12,934,908x = 21,556,881 × 21,556,881
4. Step 4: Simplify right side
   12,934,908x = 464,699,118,448,161
5. Step 5: Solve for x
   x = 464,699,118,448,161/12,934,908
6. Step 6: Final answer
   x = 35,925,970.13