Finding the Third Proportional to 605,426,481 and 947,657,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,426,481 : 947,657,797.50 = 947,657,797.50 : x
2. Step 2: Convert to fraction form
   605,426,481/947,657,797.50 = 947,657,797.50/x
3. Step 3: Cross multiply
   605,426,481x = 947,657,797.50 × 947,657,797.50
4. Step 4: Simplify right side
   605,426,481x = 898,055,301,162,551,040
5. Step 5: Solve for x
   x = 898,055,301,162,551,040/605,426,481
6. Step 6: Final answer
   x = 1,483,343,278.41