Finding the Third Proportional to 42,405,730.31 and 92,320,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405,730.31 : 92,320,456.50 = 92,320,456.50 : x
2. Step 2: Convert to fraction form
   42,405,730.31/92,320,456.50 = 92,320,456.50/x
3. Step 3: Cross multiply
   42,405,730.31x = 92,320,456.50 × 92,320,456.50
4. Step 4: Simplify right side
   42,405,730.31x = 8,523,066,688,368,392
5. Step 5: Solve for x
   x = 8,523,066,688,368,392/42,405,730.31
6. Step 6: Final answer
   x = 200,988,560.40