Finding the Third Proportional to 1,903,306,855.50 and 2,909,665,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,306,855.50 : 2,909,665,354.50 = 2,909,665,354.50 : x
2. Step 2: Convert to fraction form
   1,903,306,855.50/2,909,665,354.50 = 2,909,665,354.50/x
3. Step 3: Cross multiply
   1,903,306,855.50x = 2,909,665,354.50 × 2,909,665,354.50
4. Step 4: Simplify right side
   1,903,306,855.50x = 8,466,152,475,177,610,240
5. Step 5: Solve for x
   x = 8,466,152,475,177,610,240/1,903,306,855.50
6. Step 6: Final answer
   x = 4,448,127,978.27