Finding the Third Proportional to 9,662,199 and 21,060,513

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662,199 : 21,060,513 = 21,060,513 : x
2. Step 2: Convert to fraction form
   9,662,199/21,060,513 = 21,060,513/x
3. Step 3: Cross multiply
   9,662,199x = 21,060,513 × 21,060,513
4. Step 4: Simplify right side
   9,662,199x = 443,545,207,823,169
5. Step 5: Solve for x
   x = 443,545,207,823,169/9,662,199
6. Step 6: Final answer
   x = 45,905,203.13