Finding the Third Proportional to 5,355,312 and 7,490,448

Step by Step Solution

1. Step 1: Write the proportion equation
   5,355,312 : 7,490,448 = 7,490,448 : x
2. Step 2: Convert to fraction form
   5,355,312/7,490,448 = 7,490,448/x
3. Step 3: Cross multiply
   5,355,312x = 7,490,448 × 7,490,448
4. Step 4: Simplify right side
   5,355,312x = 56,106,811,240,704
5. Step 5: Solve for x
   x = 56,106,811,240,704/5,355,312
6. Step 6: Final answer
   x = 10,476,852.00