Finding the Third Proportional to 191,587,981.50 and 419,446,784

Step by Step Solution

1. Step 1: Write the proportion equation
   191,587,981.50 : 419,446,784 = 419,446,784 : x
2. Step 2: Convert to fraction form
   191,587,981.50/419,446,784 = 419,446,784/x
3. Step 3: Cross multiply
   191,587,981.50x = 419,446,784 × 419,446,784
4. Step 4: Simplify right side
   191,587,981.50x = 175,935,604,607,942,656
5. Step 5: Solve for x
   x = 175,935,604,607,942,656/191,587,981.50
6. Step 6: Final answer
   x = 918,301,885.28