Finding the Third Proportional to 38,872,224 and 89,991,648

Step by Step Solution

1. Step 1: Write the proportion equation
   38,872,224 : 89,991,648 = 89,991,648 : x
2. Step 2: Convert to fraction form
   38,872,224/89,991,648 = 89,991,648/x
3. Step 3: Cross multiply
   38,872,224x = 89,991,648 × 89,991,648
4. Step 4: Simplify right side
   38,872,224x = 8,098,496,709,755,904
5. Step 5: Solve for x
   x = 8,098,496,709,755,904/38,872,224
6. Step 6: Final answer
   x = 208,336,335.73