Finding the Third Proportional to 9,838,428 and 21,613,794

Step by Step Solution

1. Step 1: Write the proportion equation
   9,838,428 : 21,613,794 = 21,613,794 : x
2. Step 2: Convert to fraction form
   9,838,428/21,613,794 = 21,613,794/x
3. Step 3: Cross multiply
   9,838,428x = 21,613,794 × 21,613,794
4. Step 4: Simplify right side
   9,838,428x = 467,156,091,074,436
5. Step 5: Solve for x
   x = 467,156,091,074,436/9,838,428
6. Step 6: Final answer
   x = 47,482,798.17