Finding the Third Proportional to 10,437,300 and 21,168,072

Step by Step Solution

1. Step 1: Write the proportion equation
   10,437,300 : 21,168,072 = 21,168,072 : x
2. Step 2: Convert to fraction form
   10,437,300/21,168,072 = 21,168,072/x
3. Step 3: Cross multiply
   10,437,300x = 21,168,072 × 21,168,072
4. Step 4: Simplify right side
   10,437,300x = 448,087,272,197,184
5. Step 5: Solve for x
   x = 448,087,272,197,184/10,437,300
6. Step 6: Final answer
   x = 42,931,339.73