Finding the Third Proportional to 12,402,059 and 19,281,056

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402,059 : 19,281,056 = 19,281,056 : x
2. Step 2: Convert to fraction form
   12,402,059/19,281,056 = 19,281,056/x
3. Step 3: Cross multiply
   12,402,059x = 19,281,056 × 19,281,056
4. Step 4: Simplify right side
   12,402,059x = 371,759,120,475,136
5. Step 5: Solve for x
   x = 371,759,120,475,136/12,402,059
6. Step 6: Final answer
   x = 29,975,596.83