Finding the Third Proportional to 13,035,191 and 19,720,558

Step by Step Solution

1. Step 1: Write the proportion equation
   13,035,191 : 19,720,558 = 19,720,558 : x
2. Step 2: Convert to fraction form
   13,035,191/19,720,558 = 19,720,558/x
3. Step 3: Cross multiply
   13,035,191x = 19,720,558 × 19,720,558
4. Step 4: Simplify right side
   13,035,191x = 388,900,407,831,364
5. Step 5: Solve for x
   x = 388,900,407,831,364/13,035,191
6. Step 6: Final answer
   x = 29,834,653.58