Finding the Third Proportional to 1,291,298,234 and 1,811,947,047

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,298,234 : 1,811,947,047 = 1,811,947,047 : x
2. Step 2: Convert to fraction form
   1,291,298,234/1,811,947,047 = 1,811,947,047/x
3. Step 3: Cross multiply
   1,291,298,234x = 1,811,947,047 × 1,811,947,047
4. Step 4: Simplify right side
   1,291,298,234x = 3,283,152,101,132,020,224
5. Step 5: Solve for x
   x = 3,283,152,101,132,020,224/1,291,298,234
6. Step 6: Final answer
   x = 2,542,520,399.00