Finding the Third Proportional to 1,559,127,912 and 2,118,140,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,127,912 : 2,118,140,572.50 = 2,118,140,572.50 : x
2. Step 2: Convert to fraction form
   1,559,127,912/2,118,140,572.50 = 2,118,140,572.50/x
3. Step 3: Cross multiply
   1,559,127,912x = 2,118,140,572.50 × 2,118,140,572.50
4. Step 4: Simplify right side
   1,559,127,912x = 4,486,519,484,870,627,840
5. Step 5: Solve for x
   x = 4,486,519,484,870,627,840/1,559,127,912
6. Step 6: Final answer
   x = 2,877,582,686.03