Finding the Third Proportional to 91,344,420 and 131,976,912

Step by Step Solution

1. Step 1: Write the proportion equation
   91,344,420 : 131,976,912 = 131,976,912 : x
2. Step 2: Convert to fraction form
   91,344,420/131,976,912 = 131,976,912/x
3. Step 3: Cross multiply
   91,344,420x = 131,976,912 × 131,976,912
4. Step 4: Simplify right side
   91,344,420x = 17,417,905,301,055,744
5. Step 5: Solve for x
   x = 17,417,905,301,055,744/91,344,420
6. Step 6: Final answer
   x = 190,683,845.83