Finding the Third Proportional to 42,443,902 and 90,938,486

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,902 : 90,938,486 = 90,938,486 : x
2. Step 2: Convert to fraction form
   42,443,902/90,938,486 = 90,938,486/x
3. Step 3: Cross multiply
   42,443,902x = 90,938,486 × 90,938,486
4. Step 4: Simplify right side
   42,443,902x = 8,269,808,235,972,196
5. Step 5: Solve for x
   x = 8,269,808,235,972,196/42,443,902
6. Step 6: Final answer
   x = 194,840,904.02