Finding the Third Proportional to 4,545,080 and 9,945,358

Step by Step Solution

1. Step 1: Write the proportion equation
   4,545,080 : 9,945,358 = 9,945,358 : x
2. Step 2: Convert to fraction form
   4,545,080/9,945,358 = 9,945,358/x
3. Step 3: Cross multiply
   4,545,080x = 9,945,358 × 9,945,358
4. Step 4: Simplify right side
   4,545,080x = 98,910,145,748,164
5. Step 5: Solve for x
   x = 98,910,145,748,164/4,545,080
6. Step 6: Final answer
   x = 21,762,025.26