Finding the Third Proportional to 195,028,963.50 and 406,200,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,028,963.50 : 406,200,415.50 = 406,200,415.50 : x
2. Step 2: Convert to fraction form
   195,028,963.50/406,200,415.50 = 406,200,415.50/x
3. Step 3: Cross multiply
   195,028,963.50x = 406,200,415.50 × 406,200,415.50
4. Step 4: Simplify right side
   195,028,963.50x = 164,998,777,552,372,640
5. Step 5: Solve for x
   x = 164,998,777,552,372,640/195,028,963.50
6. Step 6: Final answer
   x = 846,021,916.91