Finding the Third Proportional to 42,443,747 and 90,938,174

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,747 : 90,938,174 = 90,938,174 : x
2. Step 2: Convert to fraction form
   42,443,747/90,938,174 = 90,938,174/x
3. Step 3: Cross multiply
   42,443,747x = 90,938,174 × 90,938,174
4. Step 4: Simplify right side
   42,443,747x = 8,269,751,490,454,276
5. Step 5: Solve for x
   x = 8,269,751,490,454,276/42,443,747
6. Step 6: Final answer
   x = 194,840,278.60