Finding the Third Proportional to 4,448,156 and 9,711,942

Step by Step Solution

1. Step 1: Write the proportion equation
   4,448,156 : 9,711,942 = 9,711,942 : x
2. Step 2: Convert to fraction form
   4,448,156/9,711,942 = 9,711,942/x
3. Step 3: Cross multiply
   4,448,156x = 9,711,942 × 9,711,942
4. Step 4: Simplify right side
   4,448,156x = 94,321,817,411,364
5. Step 5: Solve for x
   x = 94,321,817,411,364/4,448,156
6. Step 6: Final answer
   x = 21,204,700.87