Finding the Third Proportional to 9,702,436 and 21,373,552

Step by Step Solution

1. Step 1: Write the proportion equation
   9,702,436 : 21,373,552 = 21,373,552 : x
2. Step 2: Convert to fraction form
   9,702,436/21,373,552 = 21,373,552/x
3. Step 3: Cross multiply
   9,702,436x = 21,373,552 × 21,373,552
4. Step 4: Simplify right side
   9,702,436x = 456,828,725,096,704
5. Step 5: Solve for x
   x = 456,828,725,096,704/9,702,436
6. Step 6: Final answer
   x = 47,083,920.48