Finding the Third Proportional to 42,443,736 and 90,938,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,736 : 90,938,152.50 = 90,938,152.50 : x
2. Step 2: Convert to fraction form
   42,443,736/90,938,152.50 = 90,938,152.50/x
3. Step 3: Cross multiply
   42,443,736x = 90,938,152.50 × 90,938,152.50
4. Step 4: Simplify right side
   42,443,736x = 8,269,747,580,113,256
5. Step 5: Solve for x
   x = 8,269,747,580,113,256/42,443,736
6. Step 6: Final answer
   x = 194,840,236.97