Finding the Third Proportional to 387,592,492.50 and 850,516,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,592,492.50 : 850,516,159.50 = 850,516,159.50 : x
2. Step 2: Convert to fraction form
   387,592,492.50/850,516,159.50 = 850,516,159.50/x
3. Step 3: Cross multiply
   387,592,492.50x = 850,516,159.50 × 850,516,159.50
4. Step 4: Simplify right side
   387,592,492.50x = 723,377,737,570,629,504
5. Step 5: Solve for x
   x = 723,377,737,570,629,504/387,592,492.50
6. Step 6: Final answer
   x = 1,866,335,781.96