Finding the Third Proportional to 9,773,570 and 12,852,431

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773,570 : 12,852,431 = 12,852,431 : x
2. Step 2: Convert to fraction form
   9,773,570/12,852,431 = 12,852,431/x
3. Step 3: Cross multiply
   9,773,570x = 12,852,431 × 12,852,431
4. Step 4: Simplify right side
   9,773,570x = 165,184,982,609,761
5. Step 5: Solve for x
   x = 165,184,982,609,761/9,773,570
6. Step 6: Final answer
   x = 16,901,191.95