Finding the Third Proportional to 4,630,470 and 9,925,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,630,470 : 9,925,428 = 9,925,428 : x
2. Step 2: Convert to fraction form
   4,630,470/9,925,428 = 9,925,428/x
3. Step 3: Cross multiply
   4,630,470x = 9,925,428 × 9,925,428
4. Step 4: Simplify right side
   4,630,470x = 98,514,120,983,184
5. Step 5: Solve for x
   x = 98,514,120,983,184/4,630,470
6. Step 6: Final answer
   x = 21,275,188.26