Finding the Third Proportional to 731,275,209 and 1,581,826,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   731,275,209 : 1,581,826,117.50 = 1,581,826,117.50 : x
2. Step 2: Convert to fraction form
   731,275,209/1,581,826,117.50 = 1,581,826,117.50/x
3. Step 3: Cross multiply
   731,275,209x = 1,581,826,117.50 × 1,581,826,117.50
4. Step 4: Simplify right side
   731,275,209x = 2,502,173,866,005,123,584
5. Step 5: Solve for x
   x = 2,502,173,866,005,123,584/731,275,209
6. Step 6: Final answer
   x = 3,421,658,269.29