Finding the Third Proportional to 10,437,312 and 21,168,096

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437,312 : 21,168,096 = 21,168,096 : x
2. Step 2: Convert to fraction form
   10,437,312/21,168,096 = 21,168,096/x
3. Step 3: Cross multiply
   10,437,312x = 21,168,096 × 21,168,096
4. Step 4: Simplify right side
   10,437,312x = 448,088,288,265,216
5. Step 5: Solve for x
   x = 448,088,288,265,216/10,437,312
6. Step 6: Final answer
   x = 42,931,387.72