Finding the Third Proportional to 42,443,910 and 90,938,508

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,910 : 90,938,508 = 90,938,508 : x
2. Step 2: Convert to fraction form
   42,443,910/90,938,508 = 90,938,508/x
3. Step 3: Cross multiply
   42,443,910x = 90,938,508 × 90,938,508
4. Step 4: Simplify right side
   42,443,910x = 8,269,812,237,266,064
5. Step 5: Solve for x
   x = 8,269,812,237,266,064/42,443,910
6. Step 6: Final answer
   x = 194,840,961.57