Finding the Third Proportional to 1,091,508,804 and 1,679,421,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,508,804 : 1,679,421,222 = 1,679,421,222 : x
2. Step 2: Convert to fraction form
   1,091,508,804/1,679,421,222 = 1,679,421,222/x
3. Step 3: Cross multiply
   1,091,508,804x = 1,679,421,222 × 1,679,421,222
4. Step 4: Simplify right side
   1,091,508,804x = 2,820,455,640,903,973,376
5. Step 5: Solve for x
   x = 2,820,455,640,903,973,376/1,091,508,804
6. Step 6: Final answer
   x = 2,583,997,151.99