Finding the Third Proportional to 19,686,522 and 30,820,056

Step by Step Solution

1. Step 1: Write the proportion equation
   19,686,522 : 30,820,056 = 30,820,056 : x
2. Step 2: Convert to fraction form
   19,686,522/30,820,056 = 30,820,056/x
3. Step 3: Cross multiply
   19,686,522x = 30,820,056 × 30,820,056
4. Step 4: Simplify right side
   19,686,522x = 949,875,851,843,136
5. Step 5: Solve for x
   x = 949,875,851,843,136/19,686,522
6. Step 6: Final answer
   x = 48,250,059.19