Finding the Third Proportional to 191,587,980.50 and 419,446,782

Step by Step Solution

1. Step 1: Write the proportion equation
   191,587,980.50 : 419,446,782 = 419,446,782 : x
2. Step 2: Convert to fraction form
   191,587,980.50/419,446,782 = 419,446,782/x
3. Step 3: Cross multiply
   191,587,980.50x = 419,446,782 × 419,446,782
4. Step 4: Simplify right side
   191,587,980.50x = 175,935,602,930,155,520
5. Step 5: Solve for x
   x = 175,935,602,930,155,520/191,587,980.50
6. Step 6: Final answer
   x = 918,301,881.31