Finding the Third Proportional to 194,997,060 and 396,804,222

Step by Step Solution

1. Step 1: Write the proportion equation
   194,997,060 : 396,804,222 = 396,804,222 : x
2. Step 2: Convert to fraction form
   194,997,060/396,804,222 = 396,804,222/x
3. Step 3: Cross multiply
   194,997,060x = 396,804,222 × 396,804,222
4. Step 4: Simplify right side
   194,997,060x = 157,453,590,597,025,280
5. Step 5: Solve for x
   x = 157,453,590,597,025,280/194,997,060
6. Step 6: Final answer
   x = 807,466,484.86