Finding the Third Proportional to 42,405,738 and 92,320,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405,738 : 92,320,471.50 = 92,320,471.50 : x
2. Step 2: Convert to fraction form
   42,405,738/92,320,471.50 = 92,320,471.50/x
3. Step 3: Cross multiply
   42,405,738x = 92,320,471.50 × 92,320,471.50
4. Step 4: Simplify right side
   42,405,738x = 8,523,069,457,982,312
5. Step 5: Solve for x
   x = 8,523,069,457,982,312/42,405,738
6. Step 6: Final answer
   x = 200,988,589.28