Finding the Third Proportional to 572,619,490 and 875,569,571.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,619,490 : 875,569,571.50 = 875,569,571.50 : x
2. Step 2: Convert to fraction form
   572,619,490/875,569,571.50 = 875,569,571.50/x
3. Step 3: Cross multiply
   572,619,490x = 875,569,571.50 × 875,569,571.50
4. Step 4: Simplify right side
   572,619,490x = 766,622,074,536,693,632
5. Step 5: Solve for x
   x = 766,622,074,536,693,632/572,619,490
6. Step 6: Final answer
   x = 1,338,798,430.59