Finding the Third Proportional to 91,920,938 and 196,955,582

Step by Step Solution

1. Step 1: Write the proportion equation
   91,920,938 : 196,955,582 = 196,955,582 : x
2. Step 2: Convert to fraction form
   91,920,938/196,955,582 = 196,955,582/x
3. Step 3: Cross multiply
   91,920,938x = 196,955,582 × 196,955,582
4. Step 4: Simplify right side
   91,920,938x = 38,791,501,280,958,720
5. Step 5: Solve for x
   x = 38,791,501,280,958,720/91,920,938
6. Step 6: Final answer
   x = 422,009,415.10