Finding the Third Proportional to 7,849,211,677.50 and 12,064,801,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,849,211,677.50 : 12,064,801,106.50 = 12,064,801,106.50 : x
2. Step 2: Convert to fraction form
   7,849,211,677.50/12,064,801,106.50 = 12,064,801,106.50/x
3. Step 3: Cross multiply
   7,849,211,677.50x = 12,064,801,106.50 × 12,064,801,106.50
4. Step 4: Simplify right side
   7,849,211,677.50x = 145,559,425,739,403,624,448
5. Step 5: Solve for x
   x = 145,559,425,739,403,624,448/7,849,211,677.50
6. Step 6: Final answer
   x = 18,544,464,300.36