Finding the Third Proportional to 90,558,408 and 141,218,472

Step by Step Solution

1. Step 1: Write the proportion equation
   90,558,408 : 141,218,472 = 141,218,472 : x
2. Step 2: Convert to fraction form
   90,558,408/141,218,472 = 141,218,472/x
3. Step 3: Cross multiply
   90,558,408x = 141,218,472 × 141,218,472
4. Step 4: Simplify right side
   90,558,408x = 19,942,656,834,014,784
5. Step 5: Solve for x
   x = 19,942,656,834,014,784/90,558,408
6. Step 6: Final answer
   x = 220,218,721.54