Finding the Third Proportional to 12,747,471 and 29,862,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747,471 : 29,862,469.50 = 29,862,469.50 : x
2. Step 2: Convert to fraction form
   12,747,471/29,862,469.50 = 29,862,469.50/x
3. Step 3: Cross multiply
   12,747,471x = 29,862,469.50 × 29,862,469.50
4. Step 4: Simplify right side
   12,747,471x = 891,767,084,638,430.25
5. Step 5: Solve for x
   x = 891,767,084,638,430.25/12,747,471
6. Step 6: Final answer
   x = 69,956,392.50