Finding the Third Proportional to 10,007,968 and 21,812,200

Step by Step Solution

1. Step 1: Write the proportion equation
   10,007,968 : 21,812,200 = 21,812,200 : x
2. Step 2: Convert to fraction form
   10,007,968/21,812,200 = 21,812,200/x
3. Step 3: Cross multiply
   10,007,968x = 21,812,200 × 21,812,200
4. Step 4: Simplify right side
   10,007,968x = 475,772,068,840,000
5. Step 5: Solve for x
   x = 475,772,068,840,000/10,007,968
6. Step 6: Final answer
   x = 47,539,327.55