Finding the Third Proportional to 1,975,376 and 4,309,711

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975,376 : 4,309,711 = 4,309,711 : x
2. Step 2: Convert to fraction form
   1,975,376/4,309,711 = 4,309,711/x
3. Step 3: Cross multiply
   1,975,376x = 4,309,711 × 4,309,711
4. Step 4: Simplify right side
   1,975,376x = 18,573,608,903,521
5. Step 5: Solve for x
   x = 18,573,608,903,521/1,975,376
6. Step 6: Final answer
   x = 9,402,568.88