Finding the Third Proportional to 2,516,358 and 5,385,366

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516,358 : 5,385,366 = 5,385,366 : x
2. Step 2: Convert to fraction form
   2,516,358/5,385,366 = 5,385,366/x
3. Step 3: Cross multiply
   2,516,358x = 5,385,366 × 5,385,366
4. Step 4: Simplify right side
   2,516,358x = 29,002,166,953,956
5. Step 5: Solve for x
   x = 29,002,166,953,956/2,516,358
6. Step 6: Final answer
   x = 11,525,453.43